Anyang City is Tyrone Mine Co., Ltd. With the support technology advances in China have begun to use all of mine as a false top steel-plastic composite mesh network and to help care 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. Zheng Jingli Manager Yang