DH, one of our factories is well equipped with advanced production and inspection equipment , superior technology and excellent quality control apparatus. To ensure the perfect quality of the products, DH was certificated by ISO 9001:1994 in 1998 , and was certificated by ISO 9001:2000 in 2003. At the same time , we can also do OEM according to customer requirements for product development.

DH is a developed factory, and the product capacity successively increases gradually. Now, the average production capacity per month is 600K pcs, the capacity per year is 7000K pcs. Our sales network has already expanded overseas to Japan and every part of Asia, Australia and Europe. It is DH that satisfies customers and hopes to improve sales based on reliable standards of quality.