... to customer's requirements. Company and other specification of Precision Electronic Components :1.our company is dealing in machining all ... ESD420 , ESD520HRCeramicZrO2, ESD CeramicCarbideCD 650 Product TypeDongguan Metal Precision Electronic Components MaterialStainless steel, Carbon Steel, Aluminum alloy, Zinc alloy, ... (CAD, stp, Catia or ProE) for quotation. Dongguan Precision Electronic Components