Tianjin Jiu Long Steel Pipe Co., Ltd. is a company that sells square steel pipes..We primarily sell square pipes, Q355B square pipes, Q345B seamless square tubes, Q345D seamless square tubes, Q345C square pipes, large diameter square tubes, stainless steel square pipes, galvanized square tubes, seamless square tubes, and special (non-standard) square-rectangular pipes.

    Our products complyGB/T 13793-92, GB 6728-86 standards, and Japanese JISG3445, JISG3446 standards.

The company seeks development through quality."Welcome clients with integrity, the company sincerely invites friends from all walks of life to discuss business."

    Production Range: 60mm square tubex60-300300MM thickness; 3-12MM rectangular tubes 60x70-300400mm thickness; 3-12mm.

Serious CommitmentWith quality products, reasonable prices, and comprehensive services, we thank both new and old customers for their trust.

Operating PrinciplesCustomer first, superior quality, comprehensive range, and reasonable prices!

Our company offers a complete range of square pipes, with superior quality, reasonable prices, and ample stock on site. We are highly regarded in the industry domestically!