ABOUT US

Tianjin United Steel Pipe Co.,Ltd



Tianjin United Steel Pipe Co., Ltd. (TUSPIPE) is a high-tech enterprise specializing in the research, development, manufacturing, and service of high-frequency welded steel pipes.

We manufacture in strict accordance with both domestic and international standards, including API SPEC 5CT, API SPEC 5L, GB/T 9711, GB/T 3091, GB/T 13793, GB/T 19830, SY/T 5768, and YB/T 5209, as well as Russian GOST standards such as GOST 10704, GOST 10705, and GOST 20295,ACRS Certificate. Our compliance also includes FM 1630, UL 852, JIS G 3444, JIS G 3452, AS/NZS 1163, AS/NZS 1074, EN 10217, EN 10219, and EN 10255.

Lianzhong Steel Pipe

Focus on creating shared value



The products are sold to domestic and overseas markets and are widely used in oil, natural gas, hydrogen, carbon dioxide and other fluid transportation, as well as solar energy, chemicals, machinery and equipment, automobiles, ships, electric power, construction and other industries.

26 +

26 years of industry experience

80 +

Owns more than 80 intellectual‑property rights

70 +

Exported to more than 70 countries and regions

500000 +

Equipment annual capacity of more than 500000 tons

Lianzhong Steel Pipe

To provide customers with quality products and services



The company's experimental testing center has all kinds of advanced testing equipment, has passed the CNAS certification, and has been recognized as "Tianjin Enterprise Technology Center" and "Tianjin Key Laboratory of Welded Steel Pipe Enterprises" to undertake the functions of welded steel pipe research and development, experimental testing and technical exchange.

United Steel Pipe pays attention to the management of quality and safety, and has passed ISO9001 quality management system certification, ISO14001 environmental management system certification, ISO45001 occupational health and safety management system certification, American Petroleum Institute API certification, European Union CE product certification, Japan JIS product certification, Customs Union EAC certification, pressure pipe manufacturing license certification, etc.

The company pays attention to personnel training and technology research and development, relying on personnel training and technological innovation to drive development is the long-term development strategy of United steel pipe.

Lianzhong Steel Pipe

Get Quote



To provide you with quality products and services