China Pultrusion Market 2026: Data, Supply Chain and Sourcing Research

1. What the China pultrusion market is, and why no single number exists

Pultrusion pulls continuous glass or carbon reinforcement through a resin bath or an injection box, a preformer and a heated steel die, and cuts the cured constant-section profile to length. It is the cheapest route to long, straight, fiber-dominated parts: structural shapes, gratings and handrails, cable trays, insulating rods and crossarms, window profiles, GFRP rebar, and the glass and carbon planks that now form the spar caps of most large wind blades. This report covers all of those products when made in China, for domestic use or export, and treats molded grating, filament-wound pipe and SMC/BMC parts as adjacent but separate markets.

No Chinese association publishes a pultrusion output series. The China Glass Fiber Industry Association (CGFIA) reports glass fiber yarn output and a derived figure for all glass-fiber-reinforced plastic (GFRP) products split into thermoset and thermoplastic; pultrusion sits inside the thermoset half together with filament winding, SMC/BMC, hand lay-up and infusion. The only pultrusion-specific national figure in the public record is a historical capacity statement of roughly 30,000 t from the 1990s [statistic, CCIA explainer, undated]. Every pultrusion number in this report is therefore one of three things: an association series for a wider universe, a company disclosure for one product, or a GetFRP estimate whose arithmetic is shown.

Three proxies carry most of the weight. First, CGFIA's thermoset GFRP series, which rose from 2.17 Mt in 2018 to 4.51 Mt in 2025. Second, the high-modulus glass yarn series, the feedstock of wind pultruded plates, which jumped 65.1% in 2025. Third, Sail Carbon Fiber's wind carbon fiber series, because essentially all wind carbon fiber becomes pultruded planks. Customs data under HS 3916.90 adds the export side, with the caveat that the line also carries non-reinforced plastic profiles.

2. Market size: the thermoset surge of 2025 and a shrinking Europe

China's GFRP products output has doubled since 2018, from 4.30 Mt to 8.89 Mt in 2025, and the thermoset half, which contains pultrusion, grew faster than the total in 2025: +24.1% to 4.51 Mt against +13.5% for thermoplastics [statistic, CGFIA]. The association derives the GFRP figure from yarn consumption rather than from a plant census, so the thermoset and thermoplastic split is more defensible than any finer breakdown. Across 2018 to 2025 the thermoset series compounds at 11.0% a year [estimate: (451/217)^(1/7) − 1].

The 2025 jump has a traceable cause. CGFIA's yarn breakdown shows high-modulus wind yarn rising 65.1% to 1.436 Mt while ordinary thermoset direct roving, the feedstock of gratings, structural profiles and PV frames, fell 9.8% to 2.513 Mt [statistic, CGFIA]. The same year China hoisted about 130 GW of new wind turbines in 18,272 units, up 49.9%, an average of 7.16 MW per unit [statistic, CWEA]. The thermoset surge was a wind-blade materials surge, and pultruded spar-cap plates are the product that converts high-modulus yarn into blades.

Outside China the trend runs the other way. AVK's European series shows pultrusion output falling every year since 2021 to 46 kt in 2025, 18% below the 2019 peak, with the whole European thermoset GRP market down to 952 kt [statistic, AVK]. AVK attributes the decline to demand 'increasingly being met by non-European suppliers, both in terms of raw materials and products' and to relocation of production [official text, AVK 2026 report]. North America's association publishes no pultrusion line; its total glass-reinforced polyester and vinyl ester composites sales were 3.63 billion pounds in 2024, down 2.7% [statistic, ACMA].

Analyst estimates of the global pultruded-profile market for 2025 range from USD 2.2 billion (Global Industry Analysts) to USD 3.15 billion (Emergen), with Fortune Business Insights at USD 2.55 billion and a 38% Asia-Pacific share; scopes that count 'pultrusion products' including gratings and rebar run USD 3.8 to 4.0 billion [forecast]. Two of the three profile-only publishers put China at about USD 0.49 to 0.51 billion, or close to one fifth of global value [estimate: 0.49/2.55 = 19%]. Treat the spread as a definition problem, not a disagreement about growth; the analyst growth rates of 2.7% to 5.4% all sit above the measured European trend of −3.2% a year [estimate from AVK, 2019 to 2025].

3. Wind spar caps: the product that turned Chinese pultrusion into a volume industry

Vestas split the blade spar into stacks of pultruded carbon planks in 2015 and bought most of them from Chinese converters working with imported fiber; Guangwei Composites began batch supply in 2016 and Jiangsu Aosheng followed [company; analyst]. Global wind carbon fiber demand tracked that program: 25.5 kt in 2019, 34.7 kt in 2022, a 42% collapse to 20 kt in 2023 when Vestas destocked, then 44 kt in 2024 and about 100 kt in 2025 as Chinese turbine makers adopted carbon and hybrid spars on 7 to 10 MW onshore platforms [survey, Sail]. Chinese fiber makers supplied 62 kt of the 100 kt, and 24 kt of Chinese fiber left the country as finished planks [survey, Sail 2025 report].

Glass pultruded plates are the larger and less visible half. Chinese blade makers began switching infused glass spar caps to pultruded high-modulus glass plates in 2019 to 2021, before the Vestas carbon-plank patent expired on 19 July 2022, because a pultruded plank reaches about 68% fiber volume against 57% for infusion and gives 17% higher design strength at the same fiber fraction [company, Zhongfu Tanxin; peer-reviewed, ORNL]. By 2023 China had more than 1,420 spar-plate pultrusion lines with roughly 360 kt of capacity, of which only about 18 kt was carbon [company-affiliated review, Zhongfu Lianzhong authors]. The association's rule of thumb: glass below 80 m blade length, carbon-glass hybrid from 80 to 120 m, pure carbon above 120 m [official text, CCIA 2024].

The economics are now documented. In the ORNL and Sandia cost model a pultruded E-glass plank costs USD 2.65/kg against USD 1.92/kg for infused glass, a heavy-tow textile carbon plank USD 9.44/kg and a baseline carbon plank USD 17.38/kg; pultrusion adds 33% to 55% on top of material cost but cuts blade mass by 6% to 9% with glass and 30% to 31% with textile carbon [peer-reviewed, ORNL]. In China the reference price for a glass spar plate was about RMB 15/kg in 2024 with carbon plate at about five times that, while large-tow T300 48K fiber fell from RMB 147/kg at end-2021 to RMB 65–75/kg in August 2025 [company and media statements; Baiinfo via brokers].

Volume arrived with a price war. Zhenshi New Materials, which ranks itself among the top domestic sellers of wind pultruded profiles, told the Shanghai exchange that its pultruded-profile selling price fell 26.94% in 2024 after blade makers and composites firms flooded in during 2022 and 2023, and that the market 'entered a consolidation period' from the second half of 2024 as blade makers' in-house lines and small producers exited [company, IPO inquiry reply, November 2025]. Guangwei's carbon-beam revenue shows the same pattern from the other side: RMB 426 million on 4.09 million meters in 2023, RMB 537 million on 11.40 million meters in 2024, RMB 943 million in 2025 (+75.8%), with the implied price per meter roughly halved between 2023 and 2024 [company; estimate].

4. Beyond wind: PV frames, electrical, building and infrastructure

Photovoltaic module frames are the most-watched substitution story and the most over-forecast. A September 2023 broker model projected composite frames at 15% of module-frame demand in 2024 and 25% in 2025, equal to about 550,000 t of glass fiber polyurethane profile on a global installation basis [forecast, Cinda Securities]. Reality: Covestro reported more than 3 GW of cumulative module shipments with its polyurethane composite frames by June 2025, roughly five million panels, and the named adopters are second-tier module brands; GetFRP's shipment-based estimate puts composite frames below 2% of 2025 Chinese module output [company; estimate]. The enabling pieces are in place: a group standard, T/CPIA 0081-2024, in force since 15 September 2024; MIIT's listing of PV glass fiber composites in its 2024 key-materials catalogue; and the largest disclosed frame project, Bofei Electric's 70,000 t/yr plant started in January 2024 [official text; company]. Covestro puts the aluminum frame at 10% to 15% of module cost, second only to the cells, so the material choice matters to module makers; the gap is Tier-1 bankability and a torsion and field track record [company].

Electrical insulation comprises several product markets with different business cycles. Listed manufacturer Jiangsu Shemar Electric increased group revenue from RMB 1,345 million in 2024 to RMB 1,721 million in 2025, while its line external-insulation segment, which includes composite crossarms, declined from RMB 209 million to RMB 169 million. The line segment gross margin fell from 25.95% to 14.00%; substation external insulation had a 48.67% margin in 2025. These are issuer categories, not crossarm-only sales or national market shares. [S24][S43] The design standard for composite crossarms is DL/T 5579-2020; live-working insulating tubes and rods move to GB/T 13398-2026 from 1 November 2026 [official text]. Demand context is large but indirect: State Grid capital expenditure of RMB 632.6 billion in 2024 and 4.838 million 5G base stations at end-2025 [statistic].

Building and infrastructure have the most complete standards stack and the least volume data. Glass fiber polyurethane window profiles are codified from material (JC/T 941-2016) through product (JG/T 571-2019) to engineering code (T/CECS 591-2019), pushed by the 65% to 80% building energy-saving ladder; the supply base is a small cluster of profile makers working with Covestro, Huntsman and Wanhua resin systems [official text; company]. GFRP rebar has a product standard (GB/T 26743-2011) and an engineering standard (GB 50608-2020, in force since 1 October 2020) and is routine in shield-tunnel soft-eye walls on metro projects, but no association publishes national bar tonnage [official text; contractor literature]. Gratings, platforms, handrails and cable trays remain the bread-and-butter of clusters such as Zaoqiang in Hebei, which counts more than 500 registered composites firms [statistic, CCIA visit report, December 2023].

Transport is at validation stage. China built 62,956 refrigerated trucks in 2024, of which 21,368 were electric, and pultruded polyurethane battery-pack beams appear in OEM research papers, but the volume polyurethane battery part shipping with a Chinese Tier-1 is spray-molded, not pultruded [statistic; company]. Treat every transport pultrusion claim as program-specific until a serial award is published.

5. Supply chain: fiber, resin, equipment and the pultruders themselves

China's structural advantage in pultrusion starts one step upstream. Three producers, Jushi, Taishan Fiberglass and CPIC, hold about 90% of the domestic wind-yarn market, and Jushi alone sold 3.025 Mt of roving and products in 2024 [statistic via consultancy; company]. High-modulus grades now ladder from Jushi's E7 at 90 GPa through E8 at 95 GPa to E9 above 100 GPa fiber modulus, which is what lets a glass plank reach 62 GPa and a 90 to 100 m blade stay all-glass [company]. Standard 2400 tex E-glass direct roving, the input for everything else, traded at RMB 3,500–3,800/t delivered with VAT in late April 2025, fell to a trough of RMB 3,050–3,100/t in November 2025 and traded at RMB 3,500–3,900/t by March 2026; broker reports put the 2021 peak above RMB 6,000/t [statistic, SCI via brokers; media, industry call; forecast for the peak]. Chinese pultruders therefore buy their main input at roughly half the 2021 price, while European pultruders pay anti-dumping duties on the same roving.

Resin is the second cost block and the one where chemistry choice shows up in price. Unsaturated polyester for FRP sold at RMB 7,100–7,350/t excluding VAT in 2024 and the first quarter of 2025 at a listed producer, liquid epoxy E-51 at RMB 13,200–14,400/t in East China through 2025, and polymeric MDI at RMB 13,900–14,000/t in February 2026, with pure MDI higher [company; price services]. At a 30% to 35% resin weight fraction the move from polyester to epoxy or polyurethane adds about RMB 2 to 2.6 per kilogram of profile [estimate: (13,500 − 7,350) × 0.32 / 1,000]. Resin shares in pultrusion are only available as forecasts: polyester about 51% of resin value in 2021, epoxy about 15%, polyurethane the fastest-growing [forecast, Verified Market Research].

Equipment splits into two worlds. Hebei trading companies list complete hydraulic reciprocating pultrusion lines at USD 8,000 to 80,000 per set, while Western machines from Pultrex or KraussMaffei are rated in 3 to 20 tonne pull-force classes with injection boxes and up to 24 die zones and are priced accordingly [company listings; company]. The high end of the Chinese fleet is self-built: Zhenshi bought RMB 205 million of pultrusion equipment developed by a related-party research institute in 2022 and 2023 because it 'better meets the company's process requirements than general-purpose equipment on the market' [company, IPO reply]. Chinese machine makers with published profiles on GetFRP cover the full range from crawler and servo-hydraulic pullers to resin-injection units and dies.

The pultruders are more fragmented than any other link. No national count exists; the only verifiable numbers are cluster-level (Zaoqiang, 500+ composites firms) and product-level (more than 300 carbon-plank lines with over 40,000 t capacity in 2024, more than 1,420 spar-plate lines in 2023) [statistic; company-affiliated review]. The table below lists the published GetFRP profiles across the chain so that a buyer can start from the right counterparty: a fiber producer, a resin formulator, a machine or die maker and a profile maker solve different procurement problems.

6. Technology and cost: what a pultruded profile is made of, and what one line can produce

A pultruded structural profile is a layered laminate, not a block of resin with fibers in it. Unidirectional rovings carry the axial load and most of the fiber mass; a continuous filament mat or a stitched 0/90 and ±45 fabric under each surface provides transverse strength and bolt bearing; a polyester or C-glass surfacing veil gives a resin-rich skin that stops fiber bloom and slows UV and chemical attack [company, Strongwell design manual]. Glass content runs from about 50% by weight in mat-and-roving structural shapes to 70% in roving-only rod and 75% to 82% in unidirectional plates [company; peer-reviewed]. The ASCE design standard requires at least 30% total fiber volume in each pultruded element [official text, ASCE/SEI 74-23].

Cure quality decides properties as much as the fiber does. In an industrial vinyl ester trial at 0.5 m/min through a 1 m die, raising die temperature from 100 to 120 °C lifted the degree of cure from 86% to 94% and flexural strength from 1,053 to 1,331 MPa, while at 140 °C the cure reached 97.7% but strength fell back to 1,112 MPa, which the authors link to internal stress from the faster reaction [peer-reviewed, Chaparala et al. 2023]. This is why a supplier's stable process window matters more than a maximum-speed demonstration, and why a buyer should ask for the die temperature record with the batch certificate.

Cost structure follows the chemistry. In the ORNL and Sandia model, material is about 84% of part cost for a baseline carbon and epoxy plank (USD 14.60 of 17.38/kg), 73% for heavy-tow textile carbon (6.87 of 9.44) and 68% for an E-glass plank (1.80 of 2.65), and capital plus labor make up 96% of the processing cost [peer-reviewed; estimate for the shares]. The model's pultrusion adder of 33% to 55% on top of material cost corresponds to a material share of 65% to 75% [estimate: 1 / (1 + 0.33 to 0.55)]. Chinese wind-plate pultrusion is a commodity with a gross margin of about 22% to 26% (Guangwei's carbon beams in 2024; Zhenshi 2022 to mid-2025) and double-digit annual price erosion in 2024 [company].

Capacity is a geometry and uptime question, not a machine count. The interactive model below shows how section area, density, qualified line speed, scheduled hours, run-time fraction, saleable yield and cavity count combine into saleable tonnes. The baseline is an 800 mm² section at 0.5 m/min; moving to 0.8 m/min, which is what polyurethane or injection-box systems promise, raises output 60% only if availability and yield hold. The same arithmetic explains the observed Chinese line productivities of about 167 to 200 t per line-year for glass spar plates and about 133 t for carbon planks [estimate from company and industry figures].

7. Exports, destinations and the duty stack

There is no customs code for pultruded profiles. The closest line is HS 3916.90, rods and profile shapes of plastics other than polyethylene and PVC, which captures glass-fiber-reinforced thermoset profiles together with non-reinforced engineering-plastic profiles. China-reported exports under that line grew from USD 256 million and 74,000 t in 2019 to USD 1,091 million and 249,000 t in 2025, a value compound rate of 27% a year, and accelerated in 2025 with value up 36% and volume up 40% [statistic, UN Comtrade; estimate for the rates]. The United States took 28.5% of 2025 value and Germany 14.3%; EU members combined took about 26% [statistic; estimate].

Two caveats keep this honest. The line overstates FRP because it includes other plastics, and mirror data disagree: US-reported imports of HS 3916.90 from China were USD 62.5 million in 2024 against USD 241.8 million China-reported, a 3.9-fold gap that points to reclassification at US entry or routing through third countries [statistic, Comtrade mirror query]. Glass fiber itself, HS 7019, is a far larger export at USD 3.08 billion and 2.07 Mt in 2025, with roving unit values down 35% since 2021 to USD 662/t [statistic; estimate].

The US duty stack on a Chinese GFRP profile under 3916.90.50 is 5.8% MFN plus 25% Section 301 List 2 plus a new 12.5% Section 301 country tariff from 24 July 2026, or 43.3% in total, after the Supreme Court struck down the IEEPA tariffs on 20 February 2026 and the Section 122 surcharge expired in July 2026 [official text, HTSUS chapter 99 notes 20 and 52]. Even at the 2025 peaks, when the additional duty briefly exceeded 100%, China-reported profile exports to the United States rose 29% for the year [statistic, Comtrade].

Europe protects the fiber rather than the profile. EU anti-dumping duties on Chinese continuous-filament glass fiber (chopped strands, rovings and mats under CN 7019 11, ex 7019 12, 7019 14 and 7019 15) were reset at 17.2% to 23.0% from 26 November 2025 after an interim review, on top of a countervailing duty reviewed in parallel; anti-dumping duties of 11% to 25.4% now also apply to Chinese-owned plants in Egypt, Bahrain and Thailand, and Chinese woven or stitched glass fiber fabrics carry 34% to 69% anti-dumping duty plus 17.0% to 30.7% countervailing duty from August 2026 [official text, Implementing Regulations 2025/2337, 2025/2328, 2026/831, 2026/1203, 2026/1928]. No anti-dumping measure anywhere targets pultruded profiles or grating; the only US case on a glass-fiber-reinforced finished product is fiberglass door panels, with final duties of 42% to 148% in June 2026 [official text, US ITA]. The practical effect is a cost gap in favor of importing finished profiles into the EU, which is consistent with AVK's own description of the European decline.

8. Standards: China has caught up on product and design codes

The Chinese standards stack for pultrusion is now complete from product to design, and it has pivoted toward wind. GB/T 31539-2015, the national product standard for structural pultruded profiles, has been joined since 2024 by GB/T 45006-2024 for wind-blade pultruded plates, GB/T 45755-2025 for plate pultrusion dies and GB/T 47972-2026 for mode-I fracture toughness of plate assemblies, in force from 1 February 2027 [official text, SAMR standards registry]. Design is covered by GB 50608-2020 for FRP engineering applications and T/CECS 692-2020 for pultruded profile structures, and the full-section compression test from GB/T 31539 became ISO 23930:2023, the first composites ISO standard proposed and led by China [official text].

International buyers specify against a different set, and the two sets answer different questions. EN 13706-1 to -3:2002 define the E23 and E17 profile grades by full-section modulus and remain the current editions after confirmation in December 2022 with no revision project open; CEN/TS 19101:2022 is the Eurocode-format design specification; ASCE/SEI 74-23 is the US load-and-resistance-factor design standard and requires characteristic values per ASTM D7290; ACI CODE 440.11-22 with ASTM D7957-22 governs GFRP rebar in concrete [official text]. A supplier's claim of EN 13706 should come with the Annex D full-section test report, not coupon data alone.

Fire and durability evidence is where Chinese quotations most often fall short of the specification. Halogen-free flame-retardant glass-polyester profiles reach Euroclass B-s2,d0 under EN 13501-1 from 3 mm wall thickness; US products cite ASTM E84 Class 1 with a flame-spread index of 25 or less; flame-retardant loading can cut transverse strength from 50 to 35 MPa [company, Exel, Strongwell, Fiberline]. For outdoor service ask for the surfacing veil and UV inhibitor in the written specification, because fiber bloom on early unveiled pultrusions is the failure mode that gave the product its reputation problem.

9. Outlook and buyer guidance

The next two years are decided by three things that can be watched. First, wind: China's 2025 hoisting of about 130 GW followed a 2024 to 2025 project rush, and Sail's own text warns that Chinese carbon fiber supply at about USD 18/kg has already compressed plank margins; the glass-plate side is in a consolidation phase by Zhenshi's account, with price declines narrowing in the first half of 2025. Second, PV frames: the first dated Tier-1 adoption statement, not another capacity announcement, is the signal that moves this segment from under 2% toward the broker forecasts. Third, trade: the US stack at 43.3% did not stop 2025 export growth, but EU action on fiber and fabrics keeps widening the cost gap that favors finished-profile imports into Europe, which is where AVK already records the loss.

For a buyer, the practical consequence of this report is that national market size is the wrong basis for a sourcing decision; qualified, repeatable output is the right one. Standard-profile suppliers compete on dimensional repeatability, availability, fabrication and delivered cost; custom-profile suppliers add tooling, dimensional control and design support; qualified component suppliers compete on documented performance inside a customer's own qualification. A pultruder may serve all three, but the evidence package differs, and the price difference between a conforming E23 profile with full-section data and a coupon-only quotation is usually smaller than the cost of one failed acceptance.

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