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Tired of high prices and low-quality malleable iron pipe fittings disrupting your operations? Hebei Longxuan Environmental Protection Equipment Co., Ltd. delivers ASTM-compliant fittings with OEM/ODM customization and high-speed delivery to USA ports—reducing your costs by up to 30% while ensuring reliability for plumbing, gas, and industrial systems.
As a purchasing manager in the USA, you face constant supply chain headaches. Here's what our clients tell us:
Solve these now—contact us for a free audit.
Our powerful factory in Hebei, China, produces 500,000+ units monthly, ensuring quality assurance, OEM/ODM design, and delivery in 25-35 days to USA ports. Beat competitors on price, service, and quality.
| Size (inch) | Pressure Rating (PSI) | Thread Standard | Finish | Weight (kg/pc) |
|---|---|---|---|---|
| 1/8 - 1/2 | 300 | NPT / BSPT | Black / Galvanized | 0.05-0.2 |
| 3/4 - 2 | 250 | NPT / BSPT | Black / Galvanized | 0.3-1.0 |
| 2.5 - 4 | 200 | NPT / BSPT | Black / Galvanized | 2.0-5.0 |
| Up to 6 | 150 | NPT / BSPT | Black / Galvanized | 10+ |
Case Study: A Texas oil firm saved 25% on 10,000 fittings, zero failures in 2 years.
Download our brochure: Free PDF Guide
High-ductility cast iron fittings for threaded connections in water, gas, steam, and industrial pipelines. Ideal for high-pressure applications.
1/8" to 6", NPT/BSPT threads, ASTM A197/ANSI B16.3 compliant.

MOQ 500 pcs, 25-35 days sea freight to West/East Coast.
Yes, full design support for logos, special coatings, and shapes.
TT/LC, FOB/CIF. Partners: DHL/FedEx for samples, Maersk for bulk.
1-year warranty, free replacements, 24/7 tech support.
100% pressure testing, ISO-certified processes.
"Best wholesale malleable iron pipe fittings supplier—saved us 28% vs. competitors. Fast delivery!"
— Sarah L., Supply Chain Manager, CA
"Quality exceeded expectations for our gas lines. OEM design was spot-on. Highly recommend!"
— Tom K., Technical Director, TX
"From inquiry to delivery, seamless. No quality issues in 6 months. Top USA supplier!"
— Elena M., Ops Manager, NY
Limited-time: Free samples for first 50 inquiries + 90-day money-back guarantee. Beat 2026 price hikes.
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
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Certifications: ISO 9001, CE, RoHS, ASTM A197, BS EN 10242. Fully compliant for USA imports. Privacy policy: Read here.
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