In Dagang District which is located in the south of Tianjin and on the bank of the Bohai Sea,there is a famous-brand chemical enterprise-Tianjin Yadong Chemical and Dyestuff Factory whose yaarly dyestuff production is more than 3,000 tons and whose production sells very well both at home and abroad.Tianjin Yadong Chemical and Dyestuff Factory mainly produces"Ya Xiong" brand dyestuff and dyestuff intermediate which have won much favor in the markets both at home and abroad.It's one of the enterprises which manufacture maximum quality and output of high-grade direct dyestuff production.The enterprise possesses independent scientific research center and world learning checking apparatus with complete checking method.It also has high-ranking professional technology research personnel including doctors and masters.The enterprise has a perfect quality authentication.It will continue to pursue the developing aim of "high standard,high quality,high speed,high benefit,high reputation" and to welcome guests at home and abroad with absolute sincere,to vigorously develop Yadong with high reputation.We are also warmly looking forward to establish a long term and stable cooperation relationship with friends of various circles at home