1. plasma vacuum technology 2.spraying gold, silver, platinum,palladium, rhodium, 3.undertake processing, ... metal vacuum coating equipment By using plasma vacuum technology, spraying gold, silver, platinum and palladium, rhodium, titanium precious metal ... technical materials, etc. gold plating machineOther main thermal spraying equipments and service:(1) Vacuum Plasma Spray Machine(2) Thermal Spray ...