Onton bolt system was established in the early 1990s, and Our company is the first manufacturer of SDA anchor in china.
Chengdu ONTON Technolojy Co., Ltd. Is the main compiling units of the standard named "Technical Terms of Hollow Anchor Bolts" (TB/T3209-2008) issued by the Ministry of Railway of P. R. C.
Its products are widely used in many projects of railways, highways and hydropower stations, with good popularity and quality.
It has more than 25 patent products.
Being different from the cold rolling production process of DYWI Drill Hollow Bar System and MAI Hollow Bar System, the original hot rolling and heat treatment for SDA increases product -yield strength, avoids the ductility decrease caused by cold working, greatly improves the comprehensive performance of the products, makes the product to be more durable, reliable and has a higher safety coefficient concerning in the process of drilling and engineering structure.
It not only provides standard products, but also the special products upon the customer requirements.Chengdu ONTON Technolojy Co., Ltd. has a complete team offering the service from site construction and anchor selection to technical adjustment. Above all it can provide the customer the most professional and reasonable scheme.
