Since 1998, Tianjin Lianzhong Steel Pipe Co., Ltd. (TUSPIPE) has been committed to producing a wide range of high-quality black steel pipes to meet the changing needs of customers. Our main products include: pipe pipes, casing pipes, pipes, slotted liners, compressor tubes, transmission shaft tubes, torque tubes, pile tubes, sprinkler tubes, boiler tubes, etc.

We also produce according to various international standards, including API SPEC 5CT, API SPEC 5L, JIS G 3444, JIS G 3452, ASTM A53/A53M, ASTM A135, ASTM A252, ASTM A500, ASTM A795, AS/NZS 1163, AS/NZS 1074, AS/NZS 1396, EN 10217, EN 10219, EN 10255, UL 852, FM 1630, etc
Welcome to Lianzhong Steel Pipe
Welcome to Tianjin Lianzhong Steel Pipe Co., Ltd., of course, you can also call us TUSPIPE.

Founded in 1998 and located in Tianjin, China, where the industry is booming, we are a pioneer in steel pipe technology. Our heritage is built on quality, reliability, and an unwavering commitment to excellence.

AT TUSPIPE, OUR OPERATIONS ARE POWERED BY STATE-OF-THE-ART INFRASTRUCTURE. Our state-of-the-art production facilities are equipped with three powerful production lines, allowing us to produce an impressive 50,000 tons of steel pipes per year. This manufacturing capability is brought to life by our 260 skilled employees who work diligently and adhere to our strict quality standards.

With a wide influence in more than 70 countries around the world, Lianzhong Steel Pipe has become a recognized brand in the international steel pipe market. We pride ourselves on complying with international product standards, including API 5L, API 5CT, JIS G3444, JIS G3452, ASTM A53/A53M, ASTM A135, ASTM A252, ASTM A500, ASTM A795, AS/NZS 1163, AS/NZS 1074, AS/NZS 1396, EN 10217, EN 10219 and EN 10255. In addition, our quality commitment is through UL certification and FM approved fire product safety certification.

Our commitment to quality is not limited to mere requirements. The company has passed the ISO9001 quality management system, ISO14001 environmental management system and BS OHSAS18001 occupational health and safety management system certification. These certificates are a testament to our constant pursuit of excellence in all aspects of our business.

At Lianzhong Steel Pipe, we source raw materials from well-known domestic steel mills, including Shougang, HBIS, Baotou Steel and Baosteel, to ensure high quality from the very beginning. Our facility employs advanced heat treatment procedures to reinforce welds and deploys advanced inspection equipment to detect any inconsistencies. In our quest for perfection, we trace our products from raw materials to finished products, ensuring absolute traceability.

Our steel pipes are everywhere and are an essential part of a wide range of applications, from oil and gas extraction, water transmission, building structures, fire protection, and emerging technologies such as solar energy.

Our customer-centric approach is what sets us apart. In order to cater to a wide range of customers, including engineering contractors, stockists, and import traders, we offer more than just products. We offer a comprehensive range of solutions, offering manufacturing services such as welding, piercing, end extrusion, extension, and other end treatments. We also provide anti-corrosion services such as hot-DIP galvanizing, FBE, 3LPE, 3LPP, etc., to ensure durability