GUI ZHOU HOU SHENG CHEM CO LTD.
Rm.06, 16/F Century Business City, 78 Zhong Hua Bei Rd, Guiyang 550001 P. R. China
Tel: 86-851-6578138 / 6578 038
　　86-851-6823130 / 6823140
Fax: 86-851-6578128