Looking for a reliable large diameter pipe supplier and heavy wall steel tube supplier?
We are a mill-direct supplier of SSAW welded large diameter black carbon steel pipes,
available in round and square/rectangular profiles. Our product range covers heavy wall
steel tubes, structural steel tubes, and large steel tubes for piling, infrastructure, water
transmission, and structural applications.
✅ Large pipe supplier — full size range with custom wall thickness
✅ Types: Heavy wall steel tube, structural steel tube, large diameter pipe
✅ Process: SSAW (Spiral Submerged Arc Welded), black carbon steel
✅ SGS/BV third-party inspection welcomed
Cost-effective structural solutions for heavy-duty construction and solar mounting systems.
Submerged Arc Welded (SAW) with seamless-finish welding lines
Quality Control. : 100% Eddy Current Testing + Mill Test Reports
Factory-Direct Precision, Global Expertise
As an integrated manufacturer-exporter, we control every process from raw material sourcing to
final assembly. Our in-house R&D team and ISO 9001-certified factories ensure consistent quality
with 0% middleman markup.
OEM/ODM Vertical Integration
Owning the complete supply chain – from steel rolling mills to coating lines – allows 15% cost
savings and 10-day lead time advantages. Production can be based on customer drawings or
customer demand self-research and development production.
Quality First Customer First
Our mission is to providing exceptional products and services to our customers. We aim to make a
positive impact on our customers, employees, partners, and the wider community. Sincerely Hope
to cooperate with the customer both in China and abroad based on equality and mutual benefit.
Our Exhibitions, Welcome visit our Factory !
Our Certificates, More Certificate please contact us !
Q: What is the MOQ?
A: Usually one container (20GP/40HQ), but we also accept trial orders for standard sizes.
Q: Can I get a sample?
A: Yes, we can send a sample piece with mill certificate.
structural steel tube suppliers /large steel tube supplier
Contact us, Get Quote Now !
