... and forging parts, assembly service.2.Various Machining Materials:stainless steel, alloy steel ,brass, bronze, copper, aluminum, plastic, or customer specified. 3 ... ,BS,GB standardProducts PackingsHangzhou Xiaoshan Hengli Electrical and Mechanical Co., Ltd. is located in Xiaoshan, an abundance district of Heaven Hangzhou ... a replacement warranty.We want to be your best supplier! steel stamping parts