Tomorrow, 10 September, Nine Dragons Paper's announced price increase for corrugating medium at its Dongguan and Taicang mills takes effect, adding RMB 50 per tonne. In roughly a week, leading paper producers have already announced three rounds of action for September: first corrugating medium at five mills, then recycled kraftliner at five mills, followed by notice of another increase from 9 October, after the holiday. These moves are accompanied by shutdown plans covering almost all leading producers during the traditional September–October peak season, with estimated production losses totalling about 3.81 million tonnes.

A wave of price increase notices and large-scale production curtailments has put China's top 20 paper producers by output to the test this September. For businesses across the value chain, however, the real issue is not who has issued a notice. It is whether announced prices become actual transaction prices, and whether reduced supply translates into higher gross profit per tonne. This article examines the announced measures, the supply discipline behind them and historical patterns to assess which of the top 20 producers truly have pricing power.

01 The announced moves: three rounds of price increases

The timeline begins with corrugating medium. Notices issued around 4 September announced a uniform RMB 50 per tonne increase for Nine Dragons' Dilong-brand corrugating medium, equivalent to about USD 7 per tonne for exports. Effective dates are 10 September for Dongguan and Taicang, 12 September for Quanzhou, and 14 September for Tianjin and Hebei. The second round targets recycled kraftliner: notices issued on 7–8 September announce the same RMB 50 per tonne increase from 16 September at Dongguan and Taicang, 18 September at Quanzhou and Chongqing, and 19 September at Hubei. Jiangsu Jintian Paper then followed with increases for its eco-friendly kraftliner and high-strength corrugating medium. The third round looks beyond the holiday: Taicang, Shenyang, Tianjin and Hebei plan to raise prices for selected kraftliner and corrugating medium grades by RMB 30 per tonne from 9 October.

All three rounds cite much the same rationale: rising combined costs for recovered paper, coal and chemical additives require price adjustments to sustain product quality and service. This is a familiar approach to managing expectations among leading producers. Staging increases by grade, mill and effective date gives downstream customers time to adjust and competitors a window to follow. Overseas markets are moving in the same direction, with International Paper and Packaging Corporation of America (PCA) also raising containerboard prices in September. Cost pressures and seasonal demand expectations are shaping packaging paper markets globally.

Two details deserve attention. First, the third increase, scheduled after the holiday, is a more measured RMB 30 per tonne, compared with RMB 50 in the earlier rounds. Second, alongside the notices, some mills are offering temporary rebates on selected grades during China's National Day holiday. Using notices to anchor quotations while rebates support distributor purchases and seasonal sales volumes is common in the peak season. It also suggests that, before demand fully recovers, leading producers prefer to combine price support with customer price protection rather than push through the largest possible increase at once.

02 The supply response: how the 3.81 million tonne shutdown estimate was calculated

If price increase notices are the visible move, production curtailments provide the backing. According to Guotai Haitong Securities' September paper industry report, drawing on OilChem and SCI data, shutdown plans announced by the end of August 2026 cover 52 paper machines for the September–October peak season, with estimated production losses of about 3.81 million tonnes. The reported breakdown is 22 machines and about 2.19 million tonnes in September, and 30 machines and about 1.62 million tonnes in October, with October shutdowns concentrated around the National Day holiday. Across the full peak-season window, the report lists 16 lines at Nine Dragons and 14 at Shanying, alongside other leading producers including Longchen and Lee & Man Paper. For National Day maintenance alone, Shanying's six mills have scheduled 12 lines to shut for 4–8 days between 29 September and 6 October, affecting about 97,000 tonnes of linerboard and corrugating medium capacity. More than 20 Nine Dragons paper machines are scheduled to shut for 3–7 days during the holiday.

Such coordinated curtailments are not new, but their scale has increased each year. The same report counts 32 machines scheduled for peak-season shutdowns in 2024, 44 in 2025 and 52 in 2026, with corresponding estimated production losses of 2.25 million, 3.07 million and 3.81 million tonnes. Across the three shutdown periods—the Spring Festival, the May–June low season and the September–October peak season—the reported annual total rises from 163 machines in 2024 to 246 in 2026, while estimated production losses increase from about 21.26 million to 29.81 million tonnes, or roughly 40% over the three-year period. As new capacity additions slow but industry overcapacity persists, leading producers have made maintenance ahead of peak demand and deliberate supply reductions a recurring part of price management.

The methodology matters. The 3.81 million tonne figure is the broker's estimate based on publicly announced shutdown notices: annual capacity multiplied by shutdown days, divided by 330 production days. Where machine capacity is undisclosed, average capacity for comparable paper grades is used. This is an incomplete tally of public information, and actual production losses will vary with operating schedules. Nevertheless, the report's assessment is clear: these are the most extensive September peak-season curtailments of the past three years, reflecting a stronger willingness among leading producers to coordinate supply.

03 The historical pattern: September announcements, October results

Do the largest shutdowns necessarily bring higher prices? The report's review of the past three years suggests otherwise: shutdowns alone are insufficient without demand. September is often a period of negotiation and adjustment, while meaningful gains in volumes and prices have historically appeared more often in October.

The clearest example is 2024. September shutdowns reportedly removed 1.37 million tonnes of output, yet weak seasonal demand left mills focused on holding prices and maintaining sales volumes. Linerboard prices actually fell 0.5% month on month, while corrugating medium fell 0.7%. In October, tighter recovered paper supply, recovering domestic demand and a rush to fulfil export orders finally supported price gains, with corrugating medium rising about 1.1% in total. Gross profit per tonne of linerboard recovered from RMB 494 in September to RMB 523 in October; for corrugating medium, it rose from RMB 85 to RMB 128. The pattern was similar but stronger in 2025. Tighter raw material supply and industry supply discipline lifted September linerboard and corrugating medium prices by 2.2% and 5.4%, respectively. National Day maintenance and advance stocking for the Singles' Day shopping festival on 11 November then accelerated the gains: October prices rose 3.8% and 7.0%, respectively, and gross profit per tonne of corrugating medium improved by about RMB 70 within the month. In both years, September shutdowns and notices supported expectations; October orders determined realised prices.

This year's demand test is challenging. Price monitoring indicates that delivered prices for domestic recovered corrugated board have generally weakened since late August, with marked regional differences. On 8 September, a leading Pearl River Delta mill raised its Grade A recovered corrugated board purchase price by RMB 20 to RMB 1,960 per tonne, while some Henan mills cut theirs by about RMB 40 to RMB 1,930 per tonne. On the finished paper side, corrugating medium producers hold about 11.6 days of inventory, still rising from the previous period. On 3 September, the average ex-mill price of 140 gsm corrugating medium was about RMB 3,085 per tonne, down 1.15% from late August. Industry participants describe Mid-Autumn Festival stocking as a disappointing peak season. In many cases, rebates offset announced RMB 50 per tonne increases, leaving actual transaction prices little changed; some market observers also warn of further downside pressure in September. There is another side to the picture: average prices for AA-grade 120 gsm corrugating medium remain about 13.6% higher year on year. Stronger industry discipline under efforts to curb destructive competition, slower capacity additions and continued cost support provide counterweights. These mixed signals show why announced increases still need to be tested against actual transactions.

04 Four tiers of pricing power among the top 20

Real pricing power is not measured by how early or how often a producer issues increase notices. Four factors matter: input self-sufficiency, including in-house pulp, recovered paper sourcing and captive energy; the product mix's exposure to the linerboard and corrugating medium cycle; the ability to implement supply discipline; and a balance sheet strong enough to support sales without relying on rebates. Applying these measures to the top 20 producers in the China Paper Association's 2025 output ranking—together producing about 90.5355 million tonnes, or roughly 64.1% of national output—reveals four tiers.

Tier one combines cost advantages with product mix, giving companies such as Sun Paper and Lee & Man Paper the strongest ability to realise announced increases. Sun Paper reported first-half 2026 revenue of RMB 20.862 billion and net profit attributable to shareholders of RMB 1.951 billion, provisionally leading the industry on the latter measure. Second-quarter attributable net profit rose about 16.8% year on year, with stronger-than-expected linerboard price increases providing a significant boost. Integrated forestry, pulp and paper operations offer a cost cushion, while new linerboard capacity in Guangxi is coming on stream. The company also plans to invest up to RMB 5 billion in wood pulp and specialty paper expansion in Nanning, further increasing its in-house pulp share. Lee & Man Paper reported first-half revenue of HKD 14.842 billion and net profit of HKD 1.373 billion, nearly 70% above the HKD 811 million recorded a year earlier. Its strengths include consistent cost discipline and the depth of its RMB 27.5 billion integrated forestry, pulp and paper project in Guigang. Even in a weak market, producers in this tier are better placed to turn quotations into actual ex-mill prices.

Tier two sets the pace for the industry, with Nine Dragons Paper as the leading example. Nine Dragons ranked first in 2025 with output of 22.66 million tonnes. It has taken the lead with shutdown plans covering 16 lines and three rounds of increase notices, coordinating operations across its nationwide mill network. At the end of 2025, its annual design capacity for fibre raw materials was about 8.2 million tonnes. Its RMB 41.5 billion integrated forestry, pulp and paper project in Beihai, with planned capacity of 6.15 million tonnes, is also advancing. This ability to set the industry's pace is a distinctive strength of a market leader. Yet weak demand still requires temporary rebates to sustain sales volumes, and the smaller third-round increase is more restrained. Its pricing power is therefore relative: it can lead the market, but overall demand ultimately determines how far prices can rise.

Tier three actively restrains output and offers exposure to a cyclical recovery, with Shanying International and Jingxing Paper as examples. Shanying ranked fourth in 2025 with output of 7.5453 million tonnes. Its planned shutdowns cover 14 lines, among the most extensive curtailments announced. Low-cycle linerboard and corrugating medium prices weighed on its first-half results: revenue was RMB 14.259 billion and the net loss attributable to shareholders was RMB 682 million. As prices stabilised, the second-quarter loss narrowed by about 63% from the first quarter, and June returned to a monthly profit, indicating a recovery was under way. Shanying is building an integrated chain from base paper to packaging and customers, while actively limiting output through substantial shutdowns. A seasonal price recovery could therefore have a pronounced effect on earnings. Jingxing Paper ranked 18th with output of 1.6926 million tonnes. First-half net profit reached RMB 139 million, up about 153% year on year from a low base, while tissue production upgrades are extending its consumer paper offering.

Tier four consists of regional producers whose ability to follow increases depends on their cost position. Regional leaders include Jiangsu Longchen, with output of 3.07 million tonnes; Liansheng Paper (Longhai), 2.8240 million tonnes; Wuhan Jin Feng Huang Paper, 2.4810 million tonnes; Century Sunshine Paper, 2.1641 million tonnes; and Henan Longyuan Paper, 1.6865 million tonnes. They participate through coastal or central-China locations, recovered fibre sourcing networks and advantageous delivery distances. Whether they can follow price increases, and by how much, depends on their position on the cost curve. Many small and midsized mills, meanwhile, continue to prioritise sales through discounts under inventory pressure.

The top 20 do not all face the same test. The article groups Bohui Paper, Asia Symbol, China Paper, Guangxi Jingui, Gold East Paper and Ningbo Asia Pulp & Paper mainly with folding boxboard and premium paperboard, and Wuzhou Special Paper and Xianhe with specialty paper, making this linerboard and corrugating medium price cycle less directly relevant to them. Huatai Group is a notable example of a traditional producer benefiting from a shift toward linerboard: first-half kraftliner revenue reached RMB 7.076 billion, up 35.54% year on year, while its gross margin rose to 18.48%. Its experience illustrates the potential of moving into paper grades with improving market conditions. The September test is essentially a differentiation of pricing power within packaging paper: scale alone does not guarantee pricing strength; earnings quality is the dividing line.

05 For buyers: three signals to watch before locking in prices or waiting

For corrugated board mills, box makers and brand procurement teams, the historical pattern suggests a practical approach. September combines producers' price signals with supply curtailments, so prices can fluctuate and a one-way bet is unwise. Essential requirements can be secured in stages. Assuming either an inevitable post-holiday decline or uninterrupted increases is unrealistic; October demand will provide the clearer direction. Three leading indicators are more useful than simply following each new notice.

First, track how much of the three announced increases reaches actual selling prices, and how large the rebates are. The main implementation window for the first two rounds is 10–19 September. How much of the announced RMB 50 per tonne enters ex-mill prices, and how much is diluted by rebates or payment terms, directly indicates the strength of producers' price support. Larger rebates mean a smaller effective increase. Second, track inventories after the National Day shutdowns. Corrugating medium mills currently hold about 11.6 days of inventory, still rising from the previous period and putting pressure on prices. Sustained gains require a clear decline in both mill and downstream inventories as the 52 machines shut as scheduled and advance stocking for Singles' Day begins. Third, watch the spread between delivered domestic recovered paper costs and linerboard or corrugating medium prices—the turning point in gross profit per tonne. The medium- to long-term picture of relatively tight recovered paper supply remains unchanged. The report expects October volumes and prices for these grades to improve from September. A renewed widening of the raw material-to-finished paper spread would confirm that this round of price support is taking hold.

September's notices signal intent, and the estimated 3.81 million tonnes of shutdown-related production losses represent action. But pricing power is not created by announcements. The peak season tests input self-sufficiency, product mix, supply discipline and cash flow together. For the top 20, September opens the examination; October delivers the results. For everyone across the value chain, understanding each producer's underlying costs and cash flow matters far more than remembering a few increase notices. BIOTEN Packaging will continue to track actual price implementation, inventories and costs, offering assessments at key points.

This article was compiled by BIOTEN Packaging from public materials, information published by government and standards platforms, and corporate case studies, with the source article's verification cutoff of 9 September 2026. It is intended for industry research and learning and does not constitute a procurement or performance guarantee. For corrections, clarification or removal requests, please contact us through this WeChat official account. We will review and respond within 24 hours of receipt.