As one of the key and backbone enterprises in Zhejiang Province’s “five group project”, Rosi company is specializing in production of acid dyestuffs and has got ISO9001 quality certification.The company was founded in 1989, and up till now, its total investment reaches 80 million RMB, the output of high-grade acid dyestuffs and substitution of direct dyestuffs is 5000 ton per year 85% of its product are exported to 20 countries and areas scattered over Europe and North America. Combined of senior engineers, Doctors postgraduates and technical staffs, the professional contingent in the company makes technical innovations, and develop new products with aid of advanced instrument and apparatus, 71 sorts of dyestuff are put in batch process. The company was selected consecutively as “key enterprise”, “star enterprise”, and “advanced unit of enterprise management” in Yueqing and Wenzhou for the past eight years. To obey contracts strictly, guarantee quality seriously and seriously and serve all customer’s demand wholeheartedly are the sole purpose of the company. We have expect sincerely good business relationship, true friendship and cooperation with all domestic and foreign friends. Your presence and guidance are requested.