West China International Sodium Sulfide Information Network Center
West China Global E-Trading Center
HEAD OFFICE: Yongjin East St, Dengkou County, Inner Mongolia, China
http://www.chinana2s.com/ http://www.cnwesthotline.com/
Tel: 0086-0478-4213382 　Fax: 0086-0478-4215543　 E-mail: qinzijing@yahoo.com.cn