ABOUT US

Tianjin Longheng Prestressed Steel Strand Co., Ltd.

Tianjin Longheng prestressed steel strand Co., Ltd. is established in accordance with the modern enterprise system specializing in the production of prestressed concrete products. The company is located in Tianjin Jinghai Development Zone, covers an area of 26000 square meters, construction area of 12000 square meters, with a total investment of 0.28 billion yuan and a registered capital of 0.1 billion yuan. Specializing in the production of various specifications of prestressed concrete with steel strand, prestressed steel wire, unbonded prestressed steel strand. The annual production capacity is 120000 tons.

Introduction of automatic control system production line

The company has introduced a domestic advanced level of production line equipped with German Siemens PLC automatic control system, mainly producing 1 × 7 structure, 1 × 3 structure of prestressed concrete steel strand; prestressed concrete steel wire; various specifications of unbonded steel strand. Supporting WE-100KN, WE-300KN, JEW-600KN tensile testing machine, JEW-1000KN tensile testing machine, CWJ-6 type mechanical bending testing machine, SL-300 electro-hydraulic servo relaxation testing machine and other advanced testing equipment and perfect and professional testing means, can ensure the quality of products to GB/T5224-2014, ASTM416, BS5896 and other domestic and foreign standards. At the same time, "Longheng" brand prestressed steel strand and steel wire series products have passed the quality inspection and approval of national authoritative institutions such as the National Inspection Center, the Ministry of Railways, and the Ministry of Metallurgy.

Perfect enterprise management system and quality management system

The company has established a sound enterprise management system and quality management system, through the ISO9000-2008 quality management system certification is the company's consistent quality system management guidelines. Advanced production technology and testing equipment to ensure the quality of products, Longheng products have been distributed in more than 30 provinces and autonomous regions, widely used in Tianjin Olympic venues, Tianjin Station Transportation Hub, Beijing Metro, Beijing-Shanghai High-speed Railway, Lanzhou-Xinjiang Railway, Lanzhou-Chongqing Railway, Kunming Second Ring Road Reconstruction, Guiyang-Kunming Railway, Emei Guanghui Bridge, Dadong Expressway, Baohan Expressway, Shaozhu Expressway, Beijing-Tianjin Expressway, South-to-North Water Diversion, and other national key projects. The Beijing Daxing International Airport project won the bid in 2017 is a national key project. And exported to the Americas, Europe, Africa, the Middle East, South Asia and other regions. Excellent product quality and good after-sales service has won the praise of customers at home and abroad.

Scientific management, technology first, quality-oriented, service-oriented

The company has an advantageous geographical location, 30 kilometers away from Tianjin Binhai New Area, 80 kilometers away from Tianjin New Port, 1.5 kilometers away from Jinghai Exit of Tianjin-Cang Expressway in the east, 2 kilometers away from Jinghai Exit of Beijing-Shanghai Expressway in the west, and 1 kilometer away from Beijing-Shanghai Railway. Transportation is very convenient. As a professional manufacturer of prestressed steel strand in Tianjin, Tianjin Longheng prestressed steel strand Co., Ltd. takes "scientific management, technology first, quality first, service first" as its purpose; we sincerely welcome domestic and foreign users to visit the company for guidance and business negotiation.