Our company was founded in the early 1990 s, and we are the first manufacturer of SDA anchor in China.

Our company is one of the main compiling units of Technical Terms of Hollow Anchor Bolts" (TB/T3209-2008) issued by the Ministry of Railway of P. R. C. The products are widely used in many projects of railways, highways and hydropower stations, with good popularity and quality.

We have more than 25 patent products. Our original hot rolling and heat treatment of SDA production process, different from DYWI Drill Hollow Bar System and MAI Hollow Bar System cold rolling production process, at the same time of improving product yield strength to avoid the plastic drop caused by cold working, greatly improve the comprehensive performance of the products, make our products no matter in the process of drilling, or in engineering structures are more durable, higher safety coefficient and more reliable.

We can not only provide standard products, can also according to the special needs of customers, design and manufacture of more suitable products. My company has the complete team of from the site construction and anchor selection to technology adjustment, we can provide customers with the most professional and reasonable scheme.