Qingdao Dingzheng Chemicals Co.,Ltd has absolutely strength of researching and developing the chemicals and its subsequent products with rich experience.Sincerely welcome our friends from all over the world to discuss and cooperation with us.We will base on the mutual benefit to serve you and develop together. Qingdao Dingzheng Chemicals Co.,Ltd is a joint-stock enterprise with 2000employees. It's one of the largest production base of chemicals in China.We have approved the quanlity mangagement system,environmental management system.We have totally right for Import & Export. The products are sold to many countries and regions,won good reputation and high popularity from all over the world..The products are widely used in these fields:detergent, dyes, rubber, textile,leather, glass,food etc