... drawing or sample.Shandong shengyang hardware products co., LTD is located in Yinhe economic zone ... system in the whole course of material purchasing, manufacture, inspection, and after service. 1. Technics: ... , CAXA, UG, CAD / CAM / CAE8. Application: electrical appliances, kitchen, construction, automobiles, industrial machinery, water treatment ... and your enquiry. OEM Electrical appliance hardware