"Zhongqirui (Liaoning) Rail Transit Equipment Co., Ltd. is a professional manufacturer of rail drilling machines, rail sawing machines, tamping picks, rail grinders, hydraulic square sleepers, rail gap adjusters, hydraulic track pullers, internal combustion bolt wrenches for sleepers, hydraulic rail pullers, high-speed rail equipment and other maintenance machinery and line fasteners. It has introduced advanced production equipment and mechanical testing equipment, and has dozens of mechanical equipment, And many