Beijing Dongke United Technology Co.,LTD which is a professional enterprise of LI-ion battery solvent, polycarboxylate super-plasticizer, paraffin wax and so on Chemical products with the certificate of ISO9001 and ISO14001. Our headquarters is set up in Fushun and we have two branches located in Beijing and Qingdao with more than 150 professional employees to provide the best service for you. And now we have the range of customers all over the world especially in European countries, Asia co