Sichuan Anxian Yinhe Constructional & Chem Group Co.,Ltd is situated at Jushui town count Mianyang city, Sichuan province, 70 kilometers apart from Chengdu, is a mixed economy development enterprise of  “science and technology model” and” environmental protection model”. it has nine entire capital, share-controlled, share-holding companies,the total property is RMB 420 million Yuan, the staff is more than 1800people,there are 460 people of the intermediate and high specialized technical personnel, and there are a provincial level technology center and the state-level industrial production demonstration project, the total area is 48 hectares.
The company is the key superiority mainstay enterprise of Mianyang city. “ANJIAN” brand sodium dichromate of annual production and management is 60000 tons, chromic acid anhydride is 25000 tons, high absorption chromium tanning agent is 30000 tons , oxide chrome green is 5000 tons, sodium bichromate is 5000 tons, chromic salt series precision product is 1000 tons, the chromic salt chemical industry throughput is the national first position, and it is only a chromic salt production enterprise of Sichuan province, in the national chromic salt trade it is only passed through ISO14001 environment management system authentication and realized chromium dregs “zero pile-up”. The company annual production “NUWA” brand ordinary Portland cement and the high grade special cement are 800000 tons; it is throughput occupied the second position of Mianyang city. The chemical factory and cement plant of the company were assed through ISO9001:2000 international quality system authentication and product quality authentication successively, “ANJIAN” brand chromic salt series product and “NUWA” brand cement had the honor to receive the title of “famous brand product” and “exempting from lnspection product” of Sichuan province.
The company bases on the development direction of the world chromic salt industry, successfully introduced the fund technology of italy stoppani group and UK kermas company limited, together constructed the key engineering projects of 1200 tons/year VK3, 20000tons/year chromium tanning agent, 70000 tons/year non-calcium calcining sodium bichromate and so on, and enabled the company`s sodium bichromate annual production total quantity to amount to 130000 tons, thus becomes the national largest base of chromic salt chemical industry production research and development