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

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

The company thrives on quality.Welcome clients with integrity; the company sincerely invites friends from all walks of life to discuss business.

    Production Range60 Round Pipex60-300300mm thickness; 60 rectangular tubes, 3-12mmx70-300400MM 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 range, reasonable pricing!

Our company offers a complete range of square and rectangular tubes, with superior quality, reasonable prices, ample stock, and an excellent reputation in the domestic industry!