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Patent honor

The company has independent patents such as "production technology of low-consumption prestress steel strand", "sawing type multi-wire automatic fixed-length cutting machine", "high-speed rotating body for production of spiral rib steel strand", "high-strength low-relaxation prestress die drawing steel strand", "production device of heat-variation compacting prestress steel strand" and so on.

Factory environment

The company is one of the largest manufacturers of prestressed steel wire and steel strand in China. Relying on 120,000 square meters of factory area, the company has a complete technical center and enterprise laboratory. Its independent innovation ability is constantly enhanced and its scientific research achievements are endless.

Equipment

Tongda building materials industry, splurged on introduced with world leading standards of prestressed concrete steel wire production line in Italy, Germany, the prestressed concrete steel wire production line, covering the prestressed concrete pressure pipe steel wire production line, sleeper cold-drawn steel wire production line and carbon spring steel wire, galvanized line, more than 20 production lines for the high-end

Marketing network

As a representative of China's high-quality steel products, Tongda building Materials products have been exported to more than 30 countries, such as the United States, Sweden, Japan, and won international praise!