Tianjin Jiu Long Steel Pipe Co., Ltd. is a company specializing in the sale of 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) 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 Square Pipex60-300300MM thickness; 3-12MM rectangular tube 60x70-300400mm thickness; 3-12mm.

Serious CommitmentWith excellent 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 pricing!

Our company offers a full range of square pipes, characterized by superior quality, reasonable prices, and ample stock at our warehouse. We are renowned within the domestic industry!