CHINA PAPER LEADERS · NO.02
Why Is Sun Paper Strong?
The Answer Lies in a Single Fiber
Looking Through the “Forest–Pulp–Paper” Chain to Decode How a Single Fiber Is Allocated into Cost, Products, Innovation, and Capital Returns
Owning forestland, pulp mills, and paper machines only proves that the industrial chain is longer; true forest-pulp-paper integration lies in determining where a fiber should be pulped, what type of pulp it should become, which paper grade it should enter, which market it should serve, and ultimately how it can generate better cash returns.
In the China Paper Association’s 2025 production ranking of key enterprises, Sun Holdings ranked second. During the same period, under National Bureau of Statistics reporting, output of machine-made paper and paperboard increased 2.9% year over year, while operating revenue of paper and paper products enterprises above designated size declined 2.6% and total profit fell 13.6%. Against this backdrop of “higher volume but lower profit,” listed company Sun Paper recorded operating revenue of RMB 39.192 billion, down 3.77% year over year, while net profit attributable to shareholders of the parent increased 4.82% to RMB 3.251 billion; 8 paper machines and 3 pulp lines also commenced production during the year.
This contrast indicates that Sun Paper has strong cost and operational resilience, but it should not be simplistically interpreted as evidence that “all aspects of operations are improving.” Its 2025 net profit attributable to shareholders of the parent excluding non-recurring gains and losses was RMB 3.192 billion, down 1.33% year over year; lower paper selling prices, concurrent declines in raw material costs, lean cost reduction, lower finance expenses, and changes in non-recurring gains and losses collectively affected final profit. The focus of professional analysis is not merely that profit reached a record high, but which capabilities generated that profit and whether they are sustainable.
Three statistical scopes must also be aligned first: the China Paper Association’s key-enterprise ranking uses the “Sun Holdings” group scope; the 8.14 million metric tons of output and 7.99 million metric tons of sales disclosed in Sun Paper’s annual report are based on the listed company’s paper products scope; and the more than 14 million metric tons at year-end refers to combined annual pulp and paper production capacity. The group versus the listed company, output versus sales, and paper capacity versus total pulp-and-paper capacity answer different questions and cannot be added together or substituted for one another.
Looking beyond these figures, Sun Paper’s most research-worthy capability becomes increasingly clear: rather than simply extending its industrial chain upstream, it organizes multiple fiber sources, pulp grades, paper grades, and markets across its three major production bases in Shandong, Guangxi, and Laos, directing resource value as much as possible toward the products and applications where it is best suited.
FOUR NUMBERS · Four Key Figures
14 Million Metric Tons+ Annual Pulp and Paper Production Capacity | 8.14 Million Metric Tons Paper Products Output |
7.99 Million Metric Tons Paper Products Sales Volume | RMB 3.251 Billion Net Profit Attributable to Shareholders of the Parent |
Note: Annual pulp and paper production capacity, paper products output, and sales volume are different metrics; more than 14 million metric tons of capacity does not mean that an equivalent volume of paper products was actually produced during the year.
ONE SENTENCE · Sun Paper in One Sentence
Forest-pulp-paper integration is Sun Paper’s industrial model; its deeper operating capability lies in allocating different fibers across different pulp grades, paper grades, production bases, and markets, while continuously optimizing total cost and product value through industry cycles.
CORE JUDGMENT
Bottom Line First: Sun Paper’s Strength Lies in “Fiber Value Allocation”
Sun Paper’s competitiveness is not a single linear advantage, but the interlocking effect of six capabilities:
Fiber economics: securing optionality in cost and quality through multiple raw materials and pulp grades
Networked production bases: positioning resources, manufacturing, logistics, and markets where each fits best
Product portfolio: diversifying single-cycle risk across multiple paper grades and applications
Replicable engineering execution: completing large-scale projects on schedule and rapidly converting them into effective capacity
Innovation commercialization: connecting fiber utilization, functional materials, and digital operations
Capital discipline: ultimately subjecting new assets to cash flow and return-on-capital tests
01 · FIBER ECONOMICS
Layer One: Controlling Raw Materials Is Not the End Goal; Securing Fiber Optionality Is
When paper companies discuss forest-pulp-paper integration, they can easily fall into the misconception that “owning upstream resources necessarily means lower costs.” A genuine cost advantage must be validated collectively through delivered wood-chip cost, fiber yield, cooking and bleaching efficiency, chemical and energy consumption, depreciation, logistics, operating rates, and the substitution capability of pulp quality.
In Sun Paper’s 2025 operating costs for pulp and paper products, raw materials accounted for 78.36% and energy and utilities for 10.43%, together approaching 90%. This means that systematic improvements in raw materials, pulping, energy, and furnish formulation can affect cost per metric ton of paper more profoundly than isolated savings; it also means that even with captive pulp production, the advantage can still be weakened if wood-chip costs, pulp yield, or equipment utilization are unfavorable.
Sun Paper’s value lies in configuring more than one type of fiber or pulp. Chemical pulp, chemi-mechanical pulp, dissolving pulp, unbleached pulp, and recycled fiber each provide different combinations of strength, bulk, cleanliness, brightness, processability, and cost. The coexistence of multiple pulp grades and multiple types of paper machines enables the company to redirect fibers according to paper-grade performance requirements, raw material price spreads, and market changes.
Professional Assessment
Sun Paper’s raw-material moat should not be described solely in terms of “self-sufficiency.” A more accurate metric is fiber optionality: while maintaining product performance, can the company substitute and combine captive pulp, market pulp, recycled fiber, and different pulp grades at a lower total cost of qualified fiber?
02 · THREE-BASE NETWORK
Layer Two: The Three Major Production Bases Are Not a Geographic Layout, but a Division of Labor Across the Value Chain
The significance of the three major production bases in Shandong, Guangxi, and Laos is not to replicate the same factory three times, but to position different stages closer to the most suitable resources, infrastructure, customers, and markets.
Shandong Base The Shandong base has accumulated capabilities in headquarters management, R&D, established products, customer service, and high-end paper grades, covering products including printing and writing paper, coated packaging paperboard, industrial packaging paper, tissue, dissolving pulp, and specialty paper; the Yanzhou, Yandian, and Zoucheng Honghe industrial parks also provide differentiated industrial capacity.
Guangxi Base Driven by the dual industrial parks in Beihai and Nanning, the Guangxi base is closer to seaborne wood chips, the South China consumer market, and routes to Southeast Asia. Growth in paper products output and sales in 2025 came mainly from new capacity in Nanning; the Nanning quality-and-efficiency enhancement project approved for advancement in 2026 further aligns captive unbleached pulp and specialty paper within the same industrial park.
Laos Base Sun Paper began developing its integrated forest-pulp-paper operations in Laos in 2008, with the base serving long-term raw material resources and cross-border supply-chain functions. Its strategic value lies not only in supplying wood chips or wood pulp, but also in adding depth to the company’s resource sourcing; at the same time, it must contend with variables including forest cultivation cycles, cross-border logistics, exchange rates, and local policies.
Sun Paper’s overseas sales revenue increased 82.99% in 2025, but still accounted for only 3.61% of total revenue. This indicates that “rapid overseas expansion” has begun to show a growth signal, but the company remains at an early stage of transitioning from a domestic leader toward a more balanced global sales structure. Whether the three major production bases can be further converted into overseas customers, stable channels, and localized services will be an important test in the next stage.
The true synergy among the three major production bases is not about maximizing internal transaction volume, but about placing each link where overall cost and market responsiveness are superior: resources close to their origins, pulp lines matched with paper machines, paper machines close to customers, and R&D and service close to high-value applications.
03 · PRODUCT PORTFOLIO
Layer Three: Multiple Products Are Not About “More Categories,” but Multiple Value Curves
Sun Paper has established three major business segments—industrial paper, biomass-based new materials, and fast-moving consumer goods—and a long-term “4-3-3” strategy. It is important to clarify that “4-3-3” refers to a target future profit mix, not a revenue, capacity, or profit mix that has already been achieved.
In 2025, kraft linerboard generated revenue of RMB 11.374 billion, accounting for 29.02% of total revenue, up 4.05% year over year, with a gross margin of 17.71%; uncoated woodfree paper generated RMB 8.197 billion, down 8.53% year over year, with a gross margin of 10.59%; coated paper generated RMB 3.805 billion, down 7.92% year over year; tissue generated RMB 2.699 billion, up 33.47% year over year; and dissolving pulp generated RMB 2.908 billion, down 29.06% year over year.
These figures reveal the real value of a product portfolio: it cannot eliminate cycles, but it can shift the company from exposure to a single cycle toward a dynamic balance across multiple curves spanning printing and writing paper, packaging paper, tissue, specialty paper, and biomass-based materials. When pricing for one paper grade comes under pressure, other categories may provide support through sales volume, gross margin, or cash flow.
Diversification also has limits. Different paper machines, pulp lines, and customer qualifications cannot be switched without constraint, and greater product complexity raises the requirements for R&D, quality consistency, sales organization, inventory management, and technical service. Sun Paper’s true product capability therefore lies not merely in “being able to make many kinds of paper,” but in creating stable alignment among fibers, equipment, and customer requirements.
What Really Matters
Product-mix upgrading should be evaluated against four outcomes simultaneously: the revenue share of high-value products, unit gross profit, customer qualification and repeat purchasing, and effective capacity utilization across different machines. A new category is more than a product name in financial disclosures only when it can be “sold consistently and generate reasonable returns.”
04 · PROJECT EXECUTION
Layer Four: Completing Construction Is Only the First Step; Rapidly Converting It into Effective Capacity Is the Real Barrier
In 2025, projects including Sun Paper’s Nanning Phase II, Yandian specialty paper, and Yanzhou dissolving pulp relocation and upgrade collectively brought 8 paper machines and 3 pulp lines into operation. At Nanning, the two high-grade packaging paper lines PM11 and PM12 commenced production in August and October, respectively, while four tissue parent-roll lines, PM16 through PM19, were successively commissioned in November. In January 2026, PM43 under Phase II of the 140,000-metric-ton Yandian specialty paper project also commenced production.
The concentrated commissioning schedule demonstrates Sun Paper’s foundation in large-scale project organization, equipment commissioning, and cross-base replication, but “commissioning” does not equal “reaching design capacity,” much less “meeting profitability targets.” After a paper machine starts up, it must still progress through furnish optimization, speed ramp-up, yield improvement, quality stabilization, customer onboarding, and order ramp-up; this entire process determines whether nameplate capacity can become effective capacity.
As of the information verification date, the Yandian 600,000-metric-ton bleached chemical pulp and supporting chemical recovery project and the 700,000-metric-ton high-grade packaging paper project remain subject to the publicly stated schedule of “planned trial production in the third quarter of 2026,” with no formal confirmation of trial production identified to date; the Nanning 500,000-metric-ton unbleached chemical wood pulp and 600,000-metric-ton specialty paper project has a planned construction period of approximately 18 months and targets trial production in the fourth quarter of 2027. Planning, environmental impact assessment, construction commencement, trial production, and achievement of design capacity must be described separately.
Project Execution Assessment
Project execution should not be judged solely by start-up dates, but also by ramp-up periods, unit consumption, Grade A product yield, order coverage, inventory changes, and project returns on capital. Sun Paper’s paper products inventory increased to 430,000 metric tons in 2025, up 53.57% year over year; the annual report attributed the increase mainly to the commissioning of the Nanning capacity. This is both a natural consequence of new-capacity ramp-up and a variable that production-sales coordination must continue to absorb in 2026.
05 · INNOVATION SYSTEM
Layer Five: Innovation Is Not a Laboratory Outcome, but a Means of Increasing the Value of the Entire Fiber
Sun Paper’s innovation logic can be divided into three tracks: improving raw material utilization efficiency, extending fibers into higher-value materials, and using digitalization to improve cross-base operating efficiency.
On the raw-material side, at the end of June 2026, the company’s invention patent, “A Method for Large-Scale Production of Semi-Chemical Pulp Using Forestry Waste,” entered the public notice of projects proposed to receive the Excellence Award of the 26th China Patent Awards. The technology uses forestry waste, miscellaneous wood, panel-processing offcuts, and other materials to produce unbleached high-yield pulp. Its value lies not merely in “waste utilization,” but in providing a new source of strength fiber for packaging paper and reducing dependence on a single source of high-strength recycled fiber. Because the result was still under public notice at the time, the accurate wording is “selected as a proposed award recipient,” rather than expanding the statement to imply that the final award had already been granted.
On the materials side, R&D projects disclosed in the annual report include green preparation of micro- and nanocellulose, high-barrier biodegradable environmentally friendly coated paper, high-strength packaging paper and wet-strength technology, and acetylation-grade eucalyptus natural cellulose. In July 2026, the environmental impact assessment documents for Sun Honghe’s 450,000-metric-ton natural cellulose technical upgrade project entered the acceptance-publication stage, with planned products including high-purity natural cellulose and medium-Kappa unbleached pulp. The core signal is that the same fiber platform is simultaneously seeking higher-value outlets in biomass-based materials and high-grade packaging pulp.
On the operations side, the company’s “Development of an Intelligent Production Scheduling and Product Dispatching System for the Papermaking Industry” was selected as a 2025 digital transformation exemplary case by the Ministry of Industry and Information Technology. In June 2026, a patent application jointly filed by Sun Paper and three affiliated companies for an “Automated Quality Inspection Method and System for Papermaking Wood-Chip Samples Based on Image Recognition” was published, with a technical approach covering identification of wood-chip types, bark, foreign matter, and grades. The former optimizes cross-process coordination from orders to logistics, while the latter moves digitalization upstream to incoming fiber quality control; however, publication of a patent application does not mean that a patent has been granted, nor does it establish that the relevant system has been deployed at scale.
For an enterprise operating multiple production bases, machines, and specifications, the value of artificial intelligence and industrial data is not as a technology label, but in reducing raw material quality variability, grade-change losses, inventory tied up, and logistics redundancy, thereby further converting “fiber optionality” into a quantifiable and schedulable operating capability.
Sun Paper’s innovation barrier must ultimately be measured by commercialization outcomes: how much saleable value is generated per metric ton of wood, how many stable orders emerge from R&D projects, and how much grade-change, inventory, and logistics loss digital systems eliminate. Patents, research projects, and case studies are signals of capability; they are not equivalent to realized commercial revenue.
06 · CAPITAL DISCIPLINE
Layer Six: The Endgame of Capital-Intensive Expansion Must Be Cash Flow and Returns on Capital
At year-end 2025, Sun Paper’s fixed assets reached RMB 39.754 billion, accounting for 67.85% of total assets; net cash outflow from investing activities was RMB 7.888 billion, widening 42.12% year over year; short-term borrowings were RMB 7.978 billion and long-term borrowings RMB 8.934 billion, totaling approximately RMB 16.912 billion. The debt-to-asset ratio was 47.75%, still within a generally manageable range, but the addition of new capacity has clearly increased the importance of asset utilization efficiency.
Net cash flow from operating activities was RMB 4.956 billion in 2025, still above net profit attributable to shareholders of the parent, but down 41.69% year over year. In the first quarter of 2026, operating cash flow recovered to RMB 819 million, increasing sharply from a low base; however, net profit attributable to shareholders of the parent excluding non-recurring gains and losses increased only 0.35% year over year, while notes receivable and accounts receivable increased 26.54% from year-end 2025. The cash-flow recovery is a positive signal, but it must still be assessed together with core earnings, collections, inventory, and investment in new projects; a single quarter cannot substitute for full-year free cash flow and a complete project cycle.
Under the 2026 restricted stock incentive plan, an initial grant of 59.65 million shares was made to 1,468 incentive recipients. Using 2025 net profit attributable to shareholders of the parent excluding non-recurring gains and losses as the base, the performance conditions require growth rates of no less than 10%, 20%, and 30% in 2026, 2027, and 2028, respectively. The 20% and 30% figures are both cumulative increases relative to the 2025 base, not separate year-over-year growth rates of 20% and 30% in each respective year. The use of adjusted net profit as the performance metric also means that organizational incentives are more directly tied to delivery by the core business.
Over the next two years, the quality of Sun Paper’s expansion should be assessed primarily against five metrics:
First, the time required for new paper machines and pulp lines to reach design capacity and their effective capacity utilization rates;
Second, the interaction among paper inventory, accounts receivable, and operating cash flow;
Third, the revenue and gross-profit contributions of specialty paper, functional paper, and biomass-based new materials;
Fourth, the total cost of captive pulp, quality substitution rate, and pulp-paper balance;
Fifth, whether free cash flow and return on invested capital can improve after capital expenditure intensity declines.
2026 CHANGE SIGNALS
Six Latest Signals Point to the Same Capability Upgrade
January 2026 | Specialty Paper Continues to Come Onstream
PM43 under Phase II of the 140,000-metric-ton Yandian specialty paper project commenced production, further strengthening the Shandong base’s platform for high-end and differentiated products.
March 2026 | Green Manufacturing Validation
Guangxi Sun Paper was included on the Ministry of Industry and Information Technology’s 2025 National Green Factory list, reflecting national-level recognition of the Beihai base in energy, resources, cleaner production, and green product systems.
April to June 2026 | Digitalization Moves Upstream to Raw Materials
The intelligent production scheduling and product dispatching system was selected as an exemplary case under the Ministry of Industry and Information Technology’s “Digital Three Products” initiative; the patent application for machine-vision inspection of wood chips was subsequently published. Together, these two signals indicate that digitalization is extending from information connectivity into raw-material quality and cross-process resource optimization.
June to July 2026 | Organizational Incentives Tied to Profit Targets
The initial grant under the restricted stock incentive plan was completed, covering 1,468 management personnel and core technical and business employees, with vesting conditions directly linked to three-year adjusted profit targets.
Late June 2026 | Higher-Value Utilization of Low-Value Fiber
The patent for large-scale production of semi-chemical pulp from forestry waste entered the public notice of projects proposed to receive the China Patent Excellence Award, pointing to a resource-substitution pathway for strength fiber used in packaging paper.
July 2026 | Further Adjustment of the Nanning Product Mix
The company’s board approved investment of no more than RMB 5 billion to construct projects for 500,000 metric tons of unbleached chemical wood pulp and 600,000 metric tons of specialty paper. The originally planned 300,000 metric tons of unbleached pulp and 600,000 metric tons of plastic-substitution paper were adjusted, reflecting greater alignment with captive pulp and an upgrade toward specialty paper; the project targets trial production in the fourth quarter of 2027 and cannot currently be counted as commissioned capacity.
CONCLUSION
Forest-Pulp-Paper Is the Form,
Value Allocation Is the Answer
Sun Paper’s true strength lies not merely in connecting forest, pulp, and paper, but in continuing to convert that integration into six outcomes: greater raw-material optionality, a lower total cost of qualified fiber, more rational specialization across production bases, a richer set of product value curves, faster project replication, and stronger resilience through industry cycles.
Its next step is equally clear: moving from “owning a complete industrial chain” to “increasing the value density of the entire industrial chain”; and from a scale-based combination of printing and writing paper, packaging paper, and pulp products toward a higher-value mix of specialty paper, functional paper, biomass-based new materials, and global markets.
But this path must ultimately pass four tests:
Can new capacity be rapidly converted into stable orders and reasonable inventory levels?
Can fiber optionality continue to translate into cost-per-metric-ton and quality advantages?
Can functional materials and biomass-based projects generate real commercial revenue and customer qualifications?
Can profit growth translate concurrently into free cash flow and returns on capital?
If all four continue to be delivered, Sun Paper’s forest-pulp-paper integration will evolve from a cost moat into a fiber materials platform; if delivery falls short, intensive capacity additions will simultaneously amplify depreciation, inventory, debt, and organizational complexity.
Sun Paper’s deepest capability is not owning a cheaper fiber, but enabling every fiber to create higher-quality value at the right production base, in the right product, and in the right market.
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BIOTEN Packaging · Industry Insights · Research Notes
Reference: China Paper Association, “2025 Annual Report on China’s Paper Industry”: Industry Operations and Key Enterprise Information
2025 Operating Data for Paper and Paper Products Enterprises Above Designated Size: National Bureau of Statistics
Sun Paper “2025 Annual Report”: Full Company Announcement
Sun Paper’s Three Major Production Bases and Technological Innovation: Technological Innovation Across the Three Major Production Bases
Data and Project Progress from Sun Paper’s “First Quarter 2026 Report”: China Securities Journal · CS.com.cn; China Paper Magazine
2025 Digital Transformation Exemplary Cases: Ministry of Industry and Information Technology; Sun Paper Case Description
Patent Application for Machine-Vision Quality Inspection of Wood Chips: Published Text of CN122252394A
Guangxi Sun Paper Selected as a 2025 National Green Factory: List and Company Information
2026 Restricted Stock Incentive Plan: Shanghai Securities News Information Disclosure
Guangxi Nanning Forest-Pulp-Paper Integration Quality-and-Efficiency Enhancement Technical Upgrade Project: Summary of Company Announcement; Environmental Impact Assessment Approval Information
Forestry-Waste Semi-Chemical Pulp Patent: Sun Paper Public Information; Patent Text
Sun Honghe 450,000-Metric-Ton Natural Cellulose Technical Upgrade Project: Corporate Information Disclosure; Summary of Environmental Impact Assessment Acceptance Materials
This article is provided for industry research and general informational purposes only and does not constitute investment, business, or legal advice. The analysis of corporate strategy, competitiveness, and industry opportunities contains professional judgments based on publicly available information, does not represent official statements by the company, and does not imply any cooperation or product adoption relationship. Design capacity, planned capacity, environmental impact assessment progress, and proposed projects do not equal actual output, effective capacity, or commercialization results; completion of R&D projects, publication of patent applications, and public notice of proposed awards likewise do not mean that mass production, market qualification, patent grant, final award, or regulatory compliance has been achieved. Information verified through August 9, 2026.
