... finishing: Oxygenation, frosted,spraying plastics 2.Cover: tempered glass 12'' aluminum reflector of high bay light 1. Aluminum reflector with different method ... started its business from porcelain lamp holders, now more than 12 years development, we have formed three workshops in our ... years. Under the ISO 9001:2000 Quality Management System, most of our products have CE, Rohs, BS, VDE, SGS and ...