... 2A10 3.Non-ferrous metal 4.According to the graph processing This part is mainly used for high voltage switching equipment ... high-voltage load switch, SF6 circuit breakers, large switching capacity and ground isolation switch switch.You can use the voltage grade ... .,LtdCooperation mode:Provide all kinds of materials to map production and processing.Material: 5038,2A50,5A05,2A10,6061,6063,2A50,5154. 1100 ...