Zhejiang Mengzhou Chemical Co., ltd., formerly the Zhejiang Qingyuan Dyestuff Factory, has been engaged in the R & D and manufacture of medium- to high-grade acid dyes and intermediates for more than 20 years. The company has one Operating Branch and two Manufacturing Plants with 150 employees including 15 technicians and 5 senior engineers. We are capable of the annual production of 2,300 tons of "Lengsha" brand acid dyes, with a producion value of 100 million RMB yuan. The Operation Branch, located in hangzhou, has a Research Institute on Dyes Application, which is equipped with solubility testers and various color fastness testers etc. The company owns a high caliber team of technicians who can provide timely technical services to customers. The Manufacturing Plant located in Qingtian owns 3 production lines which are capable of the annual production of 800 tons of acid dyes; The Manufacturing Plant located in Shangyu, is a new production base completed in the year 2006, and it has 4 production lines with an annual production capacity of 1,500 tons of acid dyes.