We are the OEM of Baosteel, so we only produce world first quality steel pipes.

Relying on the strong technical force, advanced production equipments, laboratory

Equipments, testing instruments and strict managing system, continue to provide high-quality products

And services. The company has passed ISO9001 and PED certification. With high quality and timely

Delivery, our products not only are best-selling domestic brand, but also has a good market share and

Customer satisfaction in the United States, South Africa, Japan, Australia, Argentina, Chile, Saudi

Arabia, Taiwan, Canada and other international markets.

DaLong insists on that the customers are the center, taking the market as the guidance, the

Quality as the foundation, the good faith as support. Constantly improve our competitiveness in the

Special stainless seamless steel manufacturing.

Thank you for your attention and trust to our products. Wholeheartedly welcome your visit and

Instruction, altogether casts the "no rust" brilliant!