I produced the cable tray production line of the economy, Tianjin Coorig Electrical and Mechanical Technology Co., Ltd. developed economic cable tray production line by Cao tray production line, connecting plate production line 

 Bridge vents automatically punch line is composed of three parts, it can complete width of 100-800 height of to ≦ 200 bridge production line, which is characterized by lower equipment cost than market existing automated production lines, production efficiency 
 The rate is far greater than the the traditional folding scissors processing.