Zhejiang Jianfeng Group Co., Ltd. is a large state enterprise and one of the national famous enterprises in building materials industry. The former name was Jinhua Cement Plant built in 1958. It became Zhejiang Jianfeng Group Co., Ltd. after a joint-stock reformed in November 1988. As a subsidiary under the parent company Zhejiang Jianfeng Welding Materials Co., Ltd. specializes in producing brazing alloys, welding and soldering materials, refrigerator and air-conditioner copper tubes, pancake coils, U-bend tube, copper fitting, muffler, condenser, evaporator and so on.