... , PEEK 1000, ESD225, ESD420 , ESD520HRCeramicZrO2, ESD CeramicCarbideCD 650 Product TypeDongguan Metal Precision Electronic Components MaterialStainless steel, Carbon Steel, Aluminum alloy, Zinc ... send your drawings (CAD, stp, Catia or ProE) for quotation. Dongguan Precision Electronic Components