... include that it may be directly soldered to contact bridges, without the need for additional solder layers, thus making manufacturing of contactor ... CdO, AgSnO2 and AgSnO2 In2O3 is higher and it is more difficult to processing these two materialsUsage:Breaker,relay,contactor,timer ... can flight to Shanghai Hongqiao or Pudong Airport, then call us, we can arrange to pick you up to our company ...