... 0.001mm , equipped with 280 sets CNC Machines CMM Inspection machine Finishes : Heat treatment ; Plating ( Zinc , Nickel , Chrome , Aluminum alloy ); Anodizing ... devices:Massager,Sphygmomanometer,Stethoscope and so on;-Telecommunication equipments:Telephone,Fax machine,Printer,Walkie Talkie and so on .