Tianjin Jiu Long Steel Pipe Co., Ltd. is a supplier of square steel pipes..Main products include rectangular steel tubes, Q355B rectangular steel tubes, Q345B seamless rectangular tubes, Q345D seamless rectangular tubes, Q345C rectangular steel tubes, large diameter rectangular tubes, stainless steel rectangular steel tubes, galvanized rectangular steel tubes, seamless rectangular steel tubes, and special specifications (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 Round Pipex60-300300MM thickness; 60 rectangular tubes, 3-12MMx70-300400MM thickness; 3-12MM.

We solemnly promiseWith excellent products, fair 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 full range of square and rectangular tubes, with superior quality, reasonable prices, ample stock in our warehouse, and a stellar reputation in the domestic industry!