Tianjin Tenghai Technology Development Co., Ltd. Is located in the Shuangtang High-end Hardware Products Industrial Park, Jinghai District, Tianjin. Founded in 2010, the company covers an area of over 33, 000 square meters, with a building area of 26, 000 square meters and a total investment of 220 million yuan. The company specializes in the production of various specifications of prestressed concrete steel strands, prestressed steel wires, unbonded prestressed steel strands, ultra-high-strength steel strands, galvanized steel strands, and more.

In 2019, the company initiated the "Annual Production of 200, 000 Tons of Prestressed Steel Strands Project, " introducing fully automated production lines of domestic advanced technology, equipped with Siemens PLC control systems. The project plans to have six production lines with an annual production capacity of 200, 000 tons. In 2020, the company obtained ISO9001 quality management system certification and acquired full-specification mining product safety approval certificates. That same year, it also received environmental and occupational health and safety certifications. These achievements laid a solid foundation for quality assurance throughout the production process, green and energy-efficient project planning, and people-oriented employee care.

The company closely follows the latest industry trends, places great emphasis on technological research and development, and has mastered 21 self-developed utility model technologies. Its product positioning is high-end, and the company actively pursues strategic cooperation along the upstream and downstream industrial chains, achieving significant breakthroughs in the development of high-strength products. In 2021, the company produced 1× 7-Φ 15.2 prestressed steel strands with a tensile strength of 2, 230 MPa, achieving greater load-bearing capacity and lower costs compared to conventional products.