Founded in 2000, YUNLONG industry has now becoming one of the leading chemical supplier in China.We not only owns the best quality and the greatest production capacity of manufacturing and processing equipment for Thiodiglycol(1,300 tonnes per year), but also invented the first equipment in China for continuous and most steady quality production of N-methylethanolamine (10,000 tonnes per year), along with an equipment of polyether for production of 5,000 tonnes per year.