Changzhou KaiQiang Road & Bridge Engineering Co., Ltd. is a major construction materials manufacturer of road, bridge, high-speed railway materials. Its main products include ultrasonic testing pipes, metal bellows rolling machine, metal bellows, rebar upset forging machine and straight thread facilities, and FRP pipe box. The products win high reputation at home and abroad. The company is located in historic famous city - Changzhou with talents, beautiful scenery and convenient transportation.