... : stainless steel ,aluminum ,brass ,Nylon ect 2.ISO2001:2008certified hot sale metal precision partManufacturerDalian Hongsheng Machine Co.,Ltd Place Of OriginDalian ,Liaoning ... hesitate to contact with us .Process ServiceCasting , Machining ,Metalworking ,Sheet Metal Bending , Surface Treatment .We can provide samples (one piece ) before ...