Hangzhou Youyisi dyestuff chemical co., LTD. Was established in November, 2016, mainly dispersing dye, annual output of 10 million tons, buyers covering the Yangtze river delta region. Hangzhou interesting dyestuff chemical co., LTD. Was established in November, 2016, mainly dispersing dye, annual output of 10 million tons, buyers covering the Yangtze river delta region. Hangzhou interesting dyestuff chemical co., LTD. Was established in November, 2016, mainly dispersing dye, annual output of 10 million tons, buyers covering the Yangtze river delta region. Hangzhou interesting dyestuff chemical co., LTD. Was established in November, 2016, mainly dispersing dye, annual output of 10 million tons, buyers covering the Yangtze river delta region.