Name: Langfang Hongye Chemical Factory Address: No. 2, Donghongye Road, Yongqingcheng, Yongqing, Hebei, China Langfang china China Phone: 0316-6696035 Fax: 0316-6624329 Toll Free: Email: Website: http : //www.tonghuichemical.com Products / Services: Ammonium Bicarbonate, Benzene Sulfonamide, Carbon Dioxide, Carbon Disulfide, ... Langfang |