... 25kgOur products Production processwe are one of the biggest manufacturers in Yunnan provice, China and also have large warehouse in Qingdao city ... .Compared with other manufacturers, the quality of my products is stable and our price is reasonable, because our company ... Hundred private company of China, and so on.In the year of 2004, the HTA-100, HTA-200, and HTA-300 tatinium dioxide of ...