Anyang City is the limited liability company http://www.ayztl.cn Tyrone Mine support technology with the continuous progress of each country ,0372 -3980351 mine has started using plastic composite network as false and retaining the top network to help network. This network is the use of modified steel-plastic composite plastic coated high-strength cold-drawn steel wire, woven through the top and bottom, welded to form the network structure. It is the premise of ensuring the strength required, and there is still a net elongation of the metal is small, easy corrosion, light weight, sturdy and strong, the price is low. Therefore, using plastic composite support underground network has become an inevitable trend. Manager Yang Zheng Jingli 13,903,727,780 13,837,235,925