Copper Alloy C17300 C17200 C17510 C17500, Copper Alloy C15000 C14500 C18150 C18200, C18000 C10100 C10200 etc manufacturer / supplier in China, offering High Hardness Copper-Beryllium Coils for Telecom Parts, C17200, Cw101c, High Strength Copper-Beryllium Coils for Defense Parts C17200, Cw101c, High Strength Copper-Beryllium Coils, Strips for Valves C17200, Cw101c and so on.