... surface spray plating metal, electroplating, welding, hot pressing and adhesive second process, is widely used in mechanical, car, ... wheel, sound insulation board, door locks, bumper, ventilation tube as many parts. In electrical appliances are widely used in ... About our company' profileBeijing Oyuan Shengfa Plastic Plastic Co.,Ltd. Formerly known as yuanguo plastic factory of wen'an county, our ...