Qingdao ADD industry and Trading Co., Ltd. has been establish in 1998 and keeps in developing every time. Since the company established, we persist in the principle of making products with high quality and competitive price. We have founded strict quality control system. We also have a group of skilled workers and experience staffs. After years efforts, our products have been exported to Europe, United States, Southeast Asia. Chemicals: Chemical materials, Pharmaceutical Chemicals, Food Additives, other Handcraft: Candle, oil lamp glassware, woodword, potter. Security & Protection: Fire-fighting Safety Products.