Founded in 1996, Tianjin Evision Technology Co., Ltd (Used Name: Tianjin Dongchang Fine Chemical lndustry Co., Ltd.) is a hi-tech enterprise for research & development, production of pharmaceutical raw material, intermediates, chemical regents and dyes. Has the strength of scientific research, advanced production equipments and complete detection conditions to assure products can be finished with high quality on time. Over years, our main products has occupied important market share in domestic and international market, such as pidotimod, P-toluenesulfonylmethyl Isocyanide, bromocresol green, and m- cresol purple, etc. These products have been in the stage of industrialization, quality is stable and price is competitive. Our company takes quality as first factor for survival, put science & technology as leading guide, and development depends on credibility, dedicates to provide first-rate products and service. We take every order seriously and try our best to meet customer’s demand. Welcome to visit our factory for building long term stable win-win cooperation.