Shijiazhuang Dongao Chemical Tech. Co.,ltd  is a professional  producer  of Chemicals since 1999.
Our strength product as follows.
Dicyclohexylamine,
Cyclohexylamine,
Morpholine,
Benzylamine,
Dibenzylamine,
M-Toluic acid,

Dongao Chemicals commits to providing good quality Chemicals with competitive price and timely service. We have established long ......