... and forging parts, assembly service.2.Various Machining Materials:stainless steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or customer specified. ... ,AISI,BS,GB standardProducts PackingsHangzhou Xiaoshan Hengli Electrical and Mechanical Co., Ltd. is located in Xiaoshan, an abundance district of Heaven ... a replacement warranty.We want to be your best supplier! steel stamping parts