Bot BTJW series machines easy to operate, easy to grasp the technology, machinery and automatic lock side mesh made out of formation, machine failure less reliable, easy maintenance, suitable for all types of enterprises. The aircraft made by prosthetic mesh for coal mine roof, wire-saving, safety index has reached the national standard you, as a ray of wire diameter, difficult to open the network and so on. China's coal industry has become the focus of the implementation of new technologies.