CAR&CWT frame, shaft components,motor bracket, control box and so on. We are good at machining metal. We have passed ISO9001:2000 standard and have obtained welding certificates, e.g., the Canadian Welding Bureau CWB, European Welding EN287-1. We are heavily quality oriented. We are the quality leader in China, in this field of firearm optics. We are a joint management of optical factories; some of which are of military duties. We manufacture high quality riflescopes, red dot sight, mounts rings, in this line. Our offices and factory are located in Nantong China. we always keep our customers happy and satisfied.