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As a purchasing manager in the USA, you're battling high costs and material failures in harsh environments. Our pultruded fiberglass square tubing delivers unmatched durability, lightweight performance, and fast delivery from our powerful Hebei factory.
You face relentless pressure to cut costs while maintaining structural integrity in corrosive USA industrial settings.
Ready for a better alternative? Discover our solution below.
Our pultruded fiberglass square tubing – produced via continuous pultrusion for superior fiber alignment – outperforms steel and aluminum. From Hebei Longxuan's 50,000 sqm factory, we offer OEM/ODM designs with high-speed delivery to USA ports in 15-20 days.
| Dimension (inch) | Wall Thickness (inch) | Moment of Inertia (in^4) | Weight (lbs/ft) | Applications |
|---|---|---|---|---|
| 2x2 | 0.125 | 0.45 | 0.65 | Supports, Frames |
| 4x4 | 0.25 | 4.2 | 2.1 | Ladders, Railings |
| 6x6 | 0.375 | 15.8 | 4.8 | Structural Beams |
Case Study: A Texas chemical plant switched to our tubing, cutting maintenance by 60% and saving $150K/year. Request your brochure now.
"Switched to Longxuan pultruded square tubing – 37% cost reduction, zero corrosion after 2 years." – Operations Manager, Texas Petrochem.
"Custom 4x4 profiles delivered in 18 days. Exceptional quality beats competitors." – Supply Chain Director, Florida Marine.
Certifications: ISO 9001, RoHS, CE, UL – Fully compliant for USA imports.
Standard: 1x1" to 8x8". Full OEM/ODM customization available – submit drawings for quotes.
75% lighter, fully corrosion-proof, 30% cheaper lifecycle – ideal for marine/oil & gas.
FOB/CIF to major ports (LA/NY). T/T, L/C. 15-25 day delivery. Compliant with US customs.
Yes, with our R&D team. Prototypes in 7 days, MOQ 100m.
1-year warranty, free replacement for defects. 24/7 tech support via WhatsApp.

Yes, meets ASTM D4385 standards. Load charts available upon request.
Risk-free: 100% money-back guarantee. No MOQ for samples. Ships in 7 days.
Hebei Longxuan Environmental Protection Equipment Co., Ltd.
Tel: +86 18631823130 / +86 17631849152 | Email: longxuanfrp@gmail.com
Add: 20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China
Privacy Policy | Compliant with US import regulations.
"Outstanding quality pultruded fiberglass square tubing. Cut our install time by half – highly recommend Longxuan!"
– Mike R., Purchasing Manager, Houston, TX
"Best supplier for custom FRP square tubing. Fast delivery, perfect for our coastal project. 5 stars!"
– Sarah L., Ops Director, Miami, FL
"Solved our corrosion issues completely. Competitive pricing from a reliable factory."
– John D., Supply Chain, LA, CA
Customization can include size, material, structure, surface treatment, color, performance parameters, and packaging based on customer requirements.
Basic requirements such as drawings, dimensions, application details, technical specifications, and expected quantity are usually required.
Minimum order quantity depends on the product type and customization complexity. Please contact us for specific MOQ details.
Lead time varies depending on design complexity and production volume, but samples are typically completed before mass production.





Address
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China