Sales mechanical and electrical products, metal materials (excluding precious metal), hardware, chemical products (excluding dangerous goods), computers, office supplies. Shanghai Hua Tong Switch Factory agent S30 Series Miniature Circuit Breaker, SM30 series molded case circuit breakers; Chongqing and Wuhan Iron and Steel Group, Wuhan Steel Wire Factory factory galvanized steel wire rope, galvanized steel wire, steel wire rope; Chongqing Aluminum Co., Ltd. steel core aluminum twisted wire, aluminum wire. (more>>)