Jinan Dongyuan Chemicals Co., Ltd. Aterese North Qinghe Road, Setereke sa Tianqiao, Motse oa Jinan, Profinseng ea Shandong, Chaena. E-mail dongyuan@factoryhpmc.com postmaster@jndyhx.com Mohala 0086-18363095464 0086-18866610821
