
We Are Open 24 Hours a Day, 7 Days a Week, Including Weekends and Public Holidays.
Tired of high-cost, low-quality SS tubes disrupting your operations? Hebei Longxuan delivers ASTM-compliant stainless steel tubes and fittings with OEM customization and 7-day global delivery—saving you 25-35% on procurement.
As a US operations manager, you face relentless pressure to cut costs while maintaining uptime. But unreliable suppliers amplify these challenges.
Ready to fix this? Request specs now.
Our Hebei-based factory produces 10,000+ tons/year of premium SS tubes and fittings, leveraging China's efficient supply chain for unbeatable value. All products meet ASTM A312/A403 standards for seamless/welded tubes and forged fittings.
| Product Type | Material Grades | Size Range | Standards |
|---|---|---|---|
| Seamless SS Tubes | 304/304L, 316/316L | 1/8" - 24" OD | ASTM A312, ASME SA312 |
| Welded SS Pipes | 304, 316 | 1/2" - 24" NPS | ASTM A554 |
| SS Fittings (Elbow/Tee) | 304/316 | 1/2" - 12" | ASTM A403 |
Case Study: US pharma client reduced pipe failures by 40% with our 316L seamless tubes. Download brochure.
Submit inquiry via form/WhatsApp. We handle FOB/CIF shipping to major US ports in 7-14 days. Payment: T/T, L/C, PayPal.
Yes, full OEM/ODM for 304/316 grades, including bending and welding. Prototypes in 5 days.
Sea freight (LCL/FCL), air for urgent. Duty-paid DDP available. Track via our portal.
24/7 tech support, 12-month warranty, free replacements. Local US agents for installs.
Fully ASTM/ASME certified, suitable for FDA/NSF food-grade apps. Mill test reports provided.

Low MOQ: 100kg for tubes, 50pcs for fittings. Free samples for qualified buyers.
Free samples + 5% discount on first order. Money-back if not satisfied.
Tel: +86 18631823130 | WhatsApp: +86 17631849152 | Email: longxuanfrp@gmail.com
20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei, China | Contact Page | Privacy Policy
Mike R., Supply Chain Mgr, California
"Top-notch 316 SS tubes arrived in 9 days. Quality beats local suppliers—saved us $12K on 5km order."
Sarah L., Ops Director, Texas
"Custom elbows perfect for our pharma line. Fast OEM service and full ASTM certs. Highly recommend!"
Tom K., Tech Lead, Florida
"No corrosion issues after 8 months. Best price/service combo from China supplier we've tried."
David P., Purchasing Mgr, New York
"Seamless SS pipes exactly to spec. Delivery faster than promised—will reorder."
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
Proven Reliability for US Buyers
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