Precision Electronic Components 1.Precision CNC Machning Service 2.Material:Stainless Steel 3.Surface:Passivating/Polishing Specification of Precision Electronic Components :1\ this machine shop ... ESD225, ESD420 , ESD520HRCeramicZrO2, ESD CeramicCarbideCD 650 Product TypeDongguan Metal Precision Electronic Components MaterialStainless steel, Carbon Steel, Aluminum alloy, Zinc alloy, Brass,copper ...