Ụgwọ nke ụlọ ọrụ Jinan Dongyuan Chemicals Co., Ltd. Adreesị North Qinghe Road, Tianqiao District, Jinan City, Shandong Province, China. E-mail dongyuan@factoryhpmc.com postmaster@jndyhx.com Ekwentị 0086-18363095464 0086-18866610821
