Chongqing star Bo Chemical Co., Ltd.   

      the company is the southwest region's largest carbon black production base, product quality has passed ISO9001:2000 international quality system certification. The company has 20000 tons / year of new technology of hard carbon automatic control new technology production line and 10000 tons / year of soft carbon black are all of a production line, mainly the production of N220, N234, N326, N330, N339, N375, N550, N539, N660, N642 and so on more than 10 black variety, product quality all meet the standard GB3778 - 2003. Companies to high-quality products and good after sale service to win the market, sales network of radiation throughout the country, the best-selling products in more than 20 provinces and cities, by the user's trust and praise. In the consolidation and development of Chinese mainland market at the same time, the company also committed to the development of the international market, the current products have entered Iran, new...