Contact ：Jsaon Tang，Mobile/WhatsApp：17613913101，Tel：0376-3887776 ，Fax： 0376-3887678，Email：info@donganmineral.com/jason@donganmineral.com

Head office ：Hongguang Area,Shangtianti,Pingqiao District,Xinyang City,China.

Branch office：NO 1-1110.Building 13,Guanjingruiyuan,New Five Avenue,Yangshan District,Xinyang City,China.