How do I source FRP composites from China without speaking Mandarin?

Use a curated directory like getfrp.com that has already verified suppliers and translated their certifications, then submit an RFQ in English. A bilingual sourcing desk handles the factory-side conversation in Mandarin and reports back in your unit system. Most overseas buyers shortlist 3-5 verified plants and request samples before placing the first PO.

Which Chinese province makes which FRP product?

Jiangsu dominates resin (unsaturated polyester, vinyl ester, epoxy) and downstream pultrusion. Shandong is the fiber heartland (E-glass, ECR-glass, S-glass, carbon fiber tow). Zhejiang covers mid-volume manufacturing, especially fabric and prepreg. Henan and Shanxi are the basalt fiber clusters. Knowing the province before the RFQ filters out three-quarters of the no-fit responses.

What is the GB equivalent of ASTM D3039 for tensile testing?

GB/T 1447-2005 is China's analog to ASTM D3039 for tensile properties of fiber-reinforced plastics. The specimen geometry and gripping requirements are similar but not identical; for safety-critical structural parts, request the test panel be cut to ASTM D3039 dimensions and tested at a CNAS-accredited lab (SGS / Bureau Veritas / Intertek / TUV China).

What documentation do I need from a Chinese FRP supplier for EU CBAM compliance?

For CBAM Default Values you need: 1) verified business license + USCC, 2) Material Test Certificate per batch (composition, fiber/resin ratio), 3) energy mix declaration covering the production site, 4) embedded carbon calculation (kgCO2 per kg product) using the EU Commission's CBAM Default Values or installation-specific data. getfrp's sourcing desk pre-generates this pack on first shipment.

How are Chinese FRP suppliers tier-classified (Major / Large / Mid / Small)?

Major = publicly listed groups and Tier-1 manufacturers, annual output > 50,000 tons. Large = established mid-cap producers, 10,000-50,000 tons. Mid = regional specialists, 1,000-10,000 tons. Small = SME niche players, < 1,000 tons. The tier is field-validated by a site visit, not self-reported. Most overseas RFQs go to Major or Large for risk-managed volume; Mid and Small win when you need niche capability the big plants won't bother with.

What payment terms are standard for first-time FRP imports from China?

Standard terms: 30% deposit against proforma invoice, 70% on B/L copy. For first-time orders above USD 50,000, prefer an LC at sight to limit counterparty risk. Always name in the contract: exact certifications required, batch traceability format, packaging spec, and the AQL sampling plan for pre-shipment inspection.

FOR OVERSEAS BUYERS

Source FRP from China, by category, ranked by scale

Q: What payment terms are standard for first-time FRP imports from China?

Standard terms: 30% deposit against proforma invoice, 70% on B/L copy. For first-time orders above USD 50,000, prefer an LC at sight to limit counterparty risk. Always name in the contract: exact certifications required, batch traceability format, packaging spec, and the AQL sampling plan for pre-shipment inspection.

Skip the cold-call grind. Each supplier below has been independently audited. They're sorted by manufacturing scale and tagged with the certifications your end-market actually screens for.

TL;DR · WHAT THIS PAGE COVERS

A directory of independently audited Chinese FRP plants, sorted by manufacturing scale tier (Major / Large / Mid / Small)
Province-by-province map of where each FRP product category is actually made (resin = Jiangsu, fiber = Shandong, etc.)
GB ⇄ ASTM ⇄ ISO ⇄ EN standards crosswalk — set spec expectations before the RFQ, not after
A 6-step sourcing playbook from spec to delivered cargo, with payment / QC / Incoterms benchmarks

198

Plants audited on the ground

125

Major + Large tier

Provinces covered

ISO 9001 holders

Browse all 198 verified suppliers Ask AI to match a supplier Or email tech support →

MODULE 01

Suppliers by category

Certifications decoded

Grating · Rebar · CBAM · GB-vs-ASTM

MODULE 01 · DIRECTORY

Verified suppliers by category, ranked by scale

Each category below lists the largest verified suppliers first. Tiers run from Major (listed groups, Tier-1 manufacturers) down through Large, Mid (regional specialists) and Small. Most overseas RFQs go to Major or Large for low risk; Mid and Small are where you find the niche capabilities the big plants won't bother with.

Scale tier:Major(62)Large(63)Mid(72)Small(1)

Manufacturer

58 verified · top 6 shown

See all 58

Fiber supplier

51 verified · top 6 shown

See all 51

Resin supplier

28 verified · top 6 shown

See all 28

Additives supplier

18 verified · top 6 shown

See all 18

Equipment supplier

18 verified · top 6 shown

See all 18

Mold maker

11 verified · top 6 shown

See all 11

Tooling / NDT equipment

9 verified · top 6 shown

See all 9

Testing / certification

5 verified · top 5 shown

See all 5

MODULE 02 · REGIONAL CLUSTERS

Where Chinese FRP capacity actually lives

Chinese composites capacity is regionally clustered. Jiangsu does resin, Shandong does fiber, Zhejiang does mid-volume manufacturing, Henan and Shanxi cover basalt. Knowing which province handles your slice of the value chain saves weeks of RFQ blast and weeds out three-quarters of the no-fit responses upfront.

JSJiangsu

45 verified

Pultrusion, gratings, profiles

View suppliers

ZJZhejiang

21 verified

Resins, gelcoats, auxiliaries

View suppliers

SDShandong

23 verified

Tanks, pipes, wind blade fabrics

View suppliers

GDGuangdong

11 verified

CFRP parts, autoclave, trade

View suppliers

HBHebei

8 verified

Pipes, tanks, industrial FRP

View suppliers

HNHunan

4 verified

Carbon fiber production

View suppliers

JXJiangxi

0 verified

Glass fiber (Taishan Fiberglass)

View suppliers

SHShanghai

46 verified

Trade houses, QC labs, certification

View suppliers

LNLiaoning

3 verified

Marine FRP, ship-yard composites

View suppliers

FJFujian

2 verified

Boats, recreational composites

View suppliers

MODULE 03 · EXPORT READINESS

Certifications that actually unlock cross-border purchase orders

A certification only matters when your end-market requires it. This decodes the ones overseas buyers screen by, and shows how many suppliers on the platform currently hold each one.

ISO 9001

Quality management

91 suppliers

Minimum baseline required by most Tier-1 OEMs for supplier onboarding.

See holders →

ISO 14001

Environmental management

12 suppliers

Mandatory for EU customers governed by ESG / supply-chain-due-diligence rules.

See holders →

ISO 45001

Occupational health & safety

0 suppliers

Increasingly expected by automotive and energy buyers.

CE marking

EU product conformity

0 suppliers

Required for construction products (CPR), machinery, PPE when sold in the EU / EEA.

ASME

Pressure vessels & piping (US)

3 suppliers

Required for FRP pressure vessels and process piping sold into the US market.

See holders →

API

Oil & gas (upstream / midstream)

1 suppliers

API-15HR / 15LR / 15S certify FRP pipe for oilfield and petrochemical duty.

See holders →

CCS / DNV / ABS / LR

Marine classification

3 suppliers

Required for FRP vessels, piping, gratings used in ships and offshore platforms.

See holders →

AS9100

Aerospace quality

7 suppliers

Required for any CFRP structure entering aerospace and defense supply chains.

See holders →

IATF 16949

Automotive quality

7 suppliers

Mandatory for Tier-1 / Tier-2 automotive CFRP and SMC structural suppliers.

See holders →

North American fire / safety

1 suppliers

UL-94 flame rating is required for FRP used in electrical enclosures and cable trays.

See holders →

Note:A certificate is necessary but not sufficient. Three things still need cross-checking: the scope (which products the cert covers), the current status (most lapses we see are mid-2-year renewal cycles), and the issuing body's accreditation chain (CNAS / IAF / ANAB). A "ISO 9001 certified" line item on a factory profile usually means one of these three is missing.

MODULE 04 · STANDARDS CROSSWALK

GB ⇄ ASTM / ISO / EN for composite test methods and products

If your supplier tests per GB, does that satisfy your ASTM-based spec? Short answer: often structurally similar, sometimes geometrically different. Use this table to set expectations before the RFQ, not after.

Topic	China (GB)	International equivalents
Tensile properties 拉伸性能	GB/T 1447-2005 Fiber-reinforced plastics — Determination of tensile properties	ASTM ASTM D3039 Tensile properties of polymer matrix composites ISO ISO 527-4 / 527-5 Tensile properties of fiber-reinforced plastics EN EN ISO 527-4 European adoption of ISO 527-4 GB/T 1447 aligns structurally with ISO 527-4/5. ASTM D3039 uses different specimen geometry — conversion factors may apply.
Flexural properties 弯曲性能	GB/T 1449-2005 Fiber-reinforced plastics — Determination of flexural properties	ASTM ASTM D7264 Flexural properties of polymer matrix composites ASTM ASTM D790 Flexural properties of reinforced / unreinforced plastics ISO ISO 14125 Flexural properties of fiber-reinforced plastics EN EN ISO 14125 European adoption of ISO 14125
Compressive properties 压缩性能	GB/T 1448-2005 Fiber-reinforced plastics — Determination of compressive properties	ASTM ASTM D695 Compressive properties of rigid plastics ASTM ASTM D6641 Compressive properties using combined-loading fixture ISO ISO 14126 Compressive properties in the in-plane direction
Interlaminar shear strength 层间剪切	GB/T 1450.1-2005 Fiber-reinforced plastics — Interlaminar shear (short-beam)	ASTM ASTM D2344 Short-beam strength of polymer matrix composites ISO ISO 14130 Apparent interlaminar shear strength by short-beam method
Impact resistance (Charpy) 冲击性能	GB/T 1451-2005 Fiber-reinforced plastics — Simple-beam impact (Charpy)	ASTM ASTM D7136 Drop-weight impact damage resistance of laminates ISO ISO 179 Charpy impact properties of plastics
Flame / fire performance 阻燃/火焰传播	GB/T 8924-2005 FRP — Determination of non-metallic material smoke density	ASTM ASTM E84 Surface burning characteristics of building materials ASTM ASTM D635 Rate of burning of self-supporting plastics ISO ISO 5660-1 Reaction to fire — heat release (cone calorimeter) EN EN 45545-2 Railway applications — fire protection of rolling stock
Glass fiber woven fabric 玻璃纤维织物	GB/T 18370-2014 Glass fiber stitched fabrics	ASTM ASTM D579 Greige woven glass fabrics ISO ISO 2113 Reinforcements — Woven fabrics — Basis for specification
Glass fiber roving 玻璃纤维无捻粗纱	GB/T 18369-2014 Glass fiber direct rovings	ASTM ASTM D578 Glass fiber strands ISO ISO 1889 Reinforcement yarns — linear density determination
Pultruded profiles 拉挤型材	GB/T 31539-2015 Fiber-reinforced thermoset plastic pultruded profiles — structural	ASTM ASTM D3917 Dimensional tolerance of pultruded profiles ASTM ASTM D4385 Classification of visual defects in pultruded profiles EN EN 13706 Structural pultruded profiles — specification EN 13706 is the primary European pultrusion reference. GB/T 31539 is closely modeled on it but with national grade classifications.
FRP piping 玻璃钢管道	GB/T 21238-2016 Glass-fiber reinforced plastic mortar pipes	ASTM ASTM D3517 Fiberglass pressure pipe ASTM ASTM D3754 Fiberglass sewer and industrial pressure pipe ISO ISO 10467 Plastics piping systems for pressure and non-pressure drainage — GRP EN EN 14364 Plastics piping systems — GRP based on unsaturated polyester
FRP storage tanks 玻璃钢储罐	GB/T 21493-2008 Filament-wound glass-fiber-reinforced plastic tanks	ASTM ASTM D3299 Filament-wound GRP corrosion-resistant tanks ASTM ASTM D4097 Contact-molded glass-fiber-reinforced thermoset tanks EN EN 13121 GRP tanks and vessels for above-ground use
Epoxy resin 环氧树脂	GB/T 13657-2011 Bisphenol-A epoxy resin	ASTM ASTM D1652 Epoxy content of epoxy resins ISO ISO 3001 Plastics — Epoxy compounds — determination of epoxy equivalent

Curated by the f1frp editorial team. Submit corrections or additions to f1frp2015@gmail.com.

Browse full standards database →

MODULE 05 · SOURCING PLAYBOOK

From spec to delivered cargo: the 6-step path

A condensed operational guide if this is your first time buying FRP from China. Each step links to the tool on this site that does the heavy lifting for it.

STEP 01

01 Lock the specification

Before talking to any supplier, write a one-page spec: product, grade, geometry, key property targets (tensile / flexural / HDT), applicable standard, and end-use environment.

Tool: /materials to benchmark property ranges

STEP 02

02 Shortlist 3–5 suppliers

Filter by province (capability cluster), by process capability, and by certifications that match your market. Aim for 3–5 — more creates RFQ overhead without improving price discovery.

Tool: verified directory

STEP 03

03 Issue the RFQ

Send identical RFQ packets with the spec, target volume (3-month & 12-month), Incoterms (FOB / CIF / DAP), required documentation (MTC, test reports), and target price range.

Tool: AI-assisted RFQ drafting at /ai

STEP 04

04 Qualify with samples

Request 3–5 pieces for independent third-party testing (SGS / Bureau Veritas / TÜV labs in China). Never skip this for structural or safety-critical parts. Cost: typically USD 500–2,000 per test panel.

Tool: standards database for test-method selection

STEP 05

05 Contract & payment

Standard terms: 30% deposit against PI, 70% on B/L copy. First-time orders should use LC at sight for > USD 50k. Always name the exact certifications, batch traceability, and packaging spec in the contract.

Reference: Incoterms 2020, ICC Publication 723E

STEP 06

06 Pre-shipment QC & delivery

Pre-shipment inspection (PSI) at factory — random sampling per AQL. MTC, CoC, and packing list must match the PO. For FRP, verify cure state and visual defect class per ASTM D4385 or EN 13706.

QC vendors: SGS, Intertek, Bureau Veritas, TÜV Rheinland China

MODULE 06 · DEEP DIVES

Topic-specific sourcing guides

Buying-intent guides for the specific FRP product, compliance, and standards questions overseas buyers ask the sourcing desk most often. Each page covers process choice, certifications, pricing benchmarks, and the verified Chinese plants that already ship into the target market.

FRP grating supplier shortlist

Molded vs pultruded, CE / EN 13706 / DNV — pricing & MOQs

FRP rebar (GFRP / BFRP / CFRP)

ACI 440.6 / ASTM D7957 — fiber system selection

CBAM compliance document pack

Default values vs installation data, accredited verifiers

GB ⇄ ASTM ⇄ ISO ⇄ EN test method crosswalk

30+ FRP test methods mapped side-by-side

Weekly FRP sourcing brief

One short email each Wednesday: new verified Chinese FRP suppliers, mid-market FOB price moves, GB / ASTM / EN standards updates, CBAM and trade-rule changes. Unsubscribe any time, no sharing.

ASK THE AI

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Describe what you need: product, target market, certifications you care about. The AI pulls from the supplier, material and standards tables and gives back a shortlist with the row link for each claim, so you can verify before forwarding to procurement.

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