Beijing Dyestuff Factory , which was founded in April of 1956, is located in the chemical industry zone of the southeast suburb of Beijing with the area of 420,000 m2, and is the largest state-owned fine chemicals integrated enterprise for the production of dyestuff, organic pigments and sulfuric acid. Through 45 years抏ndeavor, a large-scale special dyestuff production enterprise around Beijing has been formed with the collectivized operation across many regions according to the economic mar...