The headquarters is located in qingdao shandong?and we mainly sell soda ash,sodium nitrate,borax,calcium carbonate,titanium dioxide etc.we  We are one of the major suppliers of china.We have keep large amount of prodrcts both in Hebei and Shandong.We win numbers of customers?trust for the operate principles of ?regard comtract as important??to abide by credet??high quality??low premium?.