We are professional inorganic/organic chemicals supplier---DUN AO CHEMICAL CO., LTD., SHIJIAZHUANG , Capital city of Hebei Province, Central east China. We take supplying chemicals of all kinds as our main business. With the full endeavor of the staffï¼? we have established long-term cooperation relationship with many companies and factories all over the world. Hereby, we ensure you products with excellent quality and reasonable price since our chemical plant possesses a complete set of advanced equipments and mature management which enable the manufacture can be efficient. Thus, We can customize what the clients need at any time .