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Zigong Zhonghao Chemical Co. Ltd. is a vigorous fine chemical company serves under Jiuda Industry. Founded in Oct. 1998, with fixed assets of 20 million RMB, Zhonghao is a specialized manufacturer of white carbon black and feed grade silicon dioxide. Currently, the company is equipped with 5,000 ton/year production lines of a white carbon black, a feed grade silicon dioxide, and a superfine powder, respectively. Several classes of products are produced in the company that developed with the support of the research institutes, i. e. general purpose white carbon black, superfine white carbon black, The High- Reinforcing PPT Silica, feed grade silicon dioxide,PPT silica for toothpaste, PPT silica for tires，and there are more than 10 specifications entitled with the trademark “Zhonghao”. The company is the first large scale white carbon black manufacturer in Western China who has built complete facilities, advanced technique, and multiplicate white carbon black.

With the concept of “Fine product with fine service”, Zhonghao has received ISO9001 Quality Management System and ISO9001：2000 Quality Management System certification. A quality tracing system from material receipt to product warehousing has been built accord to "HG/T3061-3073-1999" and Q/70890911-3.1-2002 as technical standard. The company featured with strict management, top inspection, stable quality, and full service. Its products are widely used in rubber and non-rubber fields, especially the feed grade silicon dioxide with the trade mark of “Zhonghao”, which is the first product receiving the production license and approval no. issued by Chinese Agricutural Department, has been sold to ten more provinces and gained the trust and favor of the customers.