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

    Our products comply withGB/T 13793-92, GB 6728-86 standards, and Japanese JISG 3445, JISG 3446 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 Square Pipex60-300300MM thickness; 3-12MM rectangular tube 60x70-300400MM thickness; 3-12MM.

Serious CommitmentOffer high-quality products, fair prices, and comprehensive services to thank our new and old customers for their trust.

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

Our company offers a complete range of rectangular tubes, featuring high quality, reasonable prices, and ample stock. We have an excellent reputation in the industry domestically!