Tianjin Jiu Long Steel Pipe Co., Ltd. is a company specializing in the sale of square steel pipes..We specialize in selling square pipes, Q355B square pipes, Q345B seamless square tubes, Q345D seamless square tubes, Q345C square pipes, large diameter square pipes, stainless steel square pipes, 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 JISG 3445, JISG 3446 standards.

The company seeks development through quality."Welcome customers with integrity; the company, with sincerity and genuine warmth, invites friends from all walks of life to engage in business discussions."

    Production Range60 Round Pipex60-300300MM thickness; 3-12MM rectangular tubes 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.

Operating PrinciplesCustomer first, high-quality, comprehensive selection, and reasonable pricing!

Our company offers a full range of square and rectangular tubes, with superior quality, reasonable prices, and ample stock at our warehouse. We have an excellent reputation in the domestic industry!