Qingdao DAHE WEIYE Chemical Co., Ltd. is a hightech enterprise,main product is chemical raw materials. Is located in coastal area of China, Qingdao City,onvenient transportation.The group has three holding companies and a foreign trade company,main products include basic organic chemicals, inorganic chemicals, dyes, fertilizers and so on. Widely used in paints, coatings, food additives, water treatment, feed, fertilizer industries. most of the products were named China Top Brand, In the year of 2009, we got the ISO9001: 2000certification,