DONGRUI TECHNOLOGY CO.,LTD. have owned Professional factory produce chemicalss according to clients' requirement.Our customers are from Asia, North America, Middle East, Africa etc, We welcome your various inquiries about our products, To guarantee the quality of the products, exert own advantage, our company set a very strict standard to ensure a very good quality of our products. The quality system runs through the layout of workshops and supporting facilities, from equipment to technological process, from organization structure to personal management.Our products are Including the different kind of pharmacetutical intermedia Bulk Piperidines series/ Indole series/ Chiral series/ Pyrrolidine series/ Benzene ring class/ Pyridine series/ Heterocyclic series and also to produce general Chem products inncluding the basic Inorganic and Organic Chem, Dyestuffs, such as Carbon Black; Chrome Oxide Green; Zinc Oxide; Titanium Dioxide Rutile; Iron Oxide; Titanium Dioxide Anatase and etc.DONGRUI TECHNOLOGY CO.,LTD would like to establish a good business relationship with all customers all over the world, challenging the world to create the future with our customers.
