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Rosi Company was founded in 1989,with the current total investment over 100 million RMB.Under the brand name of "LERUI",Rosi manufactures acid dyes, mordant dyes, direct dyes,and leather dyes.
In 1996,Rosi became the first one among domestic dyestuff companies to pass the ISO9001,and in 2001,Rosi once again led the industry by passing the certification of ISO14001,which greatly improved the image of Rosi, and enhanced customer's confidence in Rosi.
With the total annual output of dyestuffs and intermediates hitting more than 5000 MT,nearly 85% of the produ...
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