... . Semiconductor4. Nonferrous welding ,braze welding In the application of welding nonferrous metal ,oxygen is not necessary by using ... the same-materials and same workloads .Welding all kinds of chain and string of platinum , gold ,silver , copper, ,ect.Accumulator ... parallel compound technique ,so electrolysis is efficient . Power consumption of the machine is low .H100 is efficient ,energy saving ...