Hebei Think-Do Chemicals Co.,ltd, is a high-technology and professional chemical enterprise which is devoted to creating environmental-friendly chelating chemicals and solutions for a green and sustainable future since 2000.

Hebei Think-Do Environment Co.,ltd formerly known as Desai Chemicals, has officially changed its name in 2015 and successfully got listed in NEEQ National Equities Exchange and Quotationsmarket in 2016, with stock code 838632.