3H Inc is China modern FenestrationConstructionhardware manufacturer. We carry out and pass ISO9001, ISO14001, OHSAS18001, TS16949 certification system management standards. We own big production base for aluminum doors&windows hardware, UPVC windows&doors system, wood doors&windows hardware, curtain wall hardware system,and doors&windows rubber gasket. The company was founded in 1981, is located in the Southwest Industrial Park, Sanshui District, Foshan City, Pearl River Delta hinterland. We have an area of 300,000 square meters, more than 2,000 employees,the provincial engineering technology research centers and national accredited laboratories, with independent product development and large-scale production capacity. We are the new modern enterprises, and the only manufacturer of researching, developing, producing doors&windows hardware and rubber gasket. Products quality and performance reach the international advanced level.