NINGBO COWELL INDUSTRY CO., LTD was established in 2006. It' s highly involved in manufacturing of injection screw barrel, extruder screw barrel, rubber machine screw barrel as well as ball screw, linear guide, which are the critical component of precision machinery and mainly applied to Plastics Injection Machine, Plastic processing extruder, Machine Tool, Engineering machine, Precision Orientation Equipment and other equipments and machines.