Qingdao Maoshi International Trading Co.,Ltd. (Qingdao Mao Shi Chemicals Co.,Ltd.) is a collection of science and technology, R & D, production in one large powder deep-processing chemical companies, with multiple production bases, equipped with the most advanced production equipment, another company with independent laboratory R & D capabilities to develop new products for the company by the number of outstanding researchers. The products have been widely used in industry, agriculture and other industries.