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

    Our products comply withGB/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 Range60 Round Pipex60-300300MM thickness; 3-12MM rectangular tube 60x70-300400MM thickness; 3-12MM.

We solemnly promiseWith excellent products, reasonable prices, and comprehensive services, we thank both new and old customers for their trust.

Principles of OperationCustomer first, superior quality, complete range, reasonable pricing!

Our company offers a complete range of square pipes, with superior quality, reasonable prices, ample stock in our warehouse, and a solid reputation within the domestic industry!