... service.2.Various Machining Materials:stainless steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or customer specified. 3.Finishes:Anodizing, Electroplating ... ,ASTM,AISI,BS,GB standardProducts PackingsHangzhou Xiaoshan Hengli Electrical and Mechanical Co., Ltd. is located in Xiaoshan, an abundance district of Heaven ...