... 2008,ISO14001:2004 3OEM service 4 Mechnical process Welding Assembly Company Name Hangzhou Hengli Metal Processing Co., Ltd.Business ... according to drawings or samples, like machining parts, welding structure, bending parts, casting, and Aluminum extrusion etc.2.Have ... according to custom design3.Our parts are used in machine assembly ,automotive, computer component, air condition industry etc.Company ...