Hangzhou Elion Chemical Industrial Co., Ltd. is a chemical manufacturer,mainly produce Polyurethane raw material, hardener of shoe- adhesives, Organic intermediates, dyeing and finishing auxiliaries. We had successfully developed such as hardener RFE of shoe- adhesives, polyurethane elastomer raw material 1,5-naphthylene diisocyanate (NDI), 0-tolidine diisocyanate(TODI),cross-linking agent Dimethylthiotoluene diamine(DMTDA )etc., and the quality is same as the international level.