electrode cap:high conductivity, high hardness used in spot welding has passed the authentication of ISO9001 and ISO5182 Our company is a professional factory for electrode alloy. It has a history of 25 years. The main products are electrode alloy material (such as CuCrZr, CuCr0.5, CuZr0.2, CuBeNi, CuNiSiCr and CuAg), electrode cones, electrode caps, electrode holders, welding guns, arms and ...