Yellow River in Inner Mongolia Chromium Co.,Ltd (YRCR) is one of main Chromic Salt manufacturers in China, established as a state-owned enterprise in 1966, factory’s area is 500,000 square meters,and possesses own railway line, which links the Jing-Lan train line (Beijing to Lanzhou). company’s total assets 320 million RMB, andhad constructed the production lines of sodium dichromate, chromium trioxide, chromium oxide green, basic chromium sulfate,annual productivity of chromium salt products is 30,000 tons level. A national-first-initiate new process is invented by our company and this process is applied into Sodium Dichromate production process, named Sodium Dichromate Non Calcium Enrichment Oxygen Oft-repeated Roasting Method, which thoroughly eliminates the global problem of Chromium Slag Pollution. Not only in 2001 certified our plant was for ISO 9001 international standard quality system, but also in 2003 certified ISO 14001 environment managing system certification.