Pingdingshan Aosida Chemical Agents Co., Ltd was established in year 2003 in Ye county, Pingdianshan City, Henan, China( shorten as AOSIDA). We are engaged in production of 3 main items which include refined naphthalene ,  concrete admixtures and silica dioxide ( white carbon balk or precipitated silica).
            
Refined naphthalene
We manufacture refined naphthalene from coal tar crude naphthalene, our refined naphthalene can be used in production of refined naphthalene balls, moth balls, beta naphtol, plasticizer and surface active agents etc.  

Concrete Admixtures
Includes super plasticizer ( High-range water reducer ), early-strength and anti-freeze water reducer, cement expansive material,  early-strength water reducer for road building, oil-well cement drag-reducer , concrete inhibitor, concrete anti-corrosive agents.

Precipitated silica
Application in the following industry :
1) tooth paste  2)silica rubber 3) laundry-powder 4竊�ommon rubber 5) opening agents 6) fillings and carrier 7) antifoaming agents 8) plastic and resin 9) printing

Our products have been exported to Pakistan, Bangladesh, Thailand and India, hope more and more friends can contact us for long-terms business.  We always respect the following rules:  Quality is our life , reputation is our feet, honest is our heart, sincere is our hand , we would like to serve you by our heart and soul for life-time business .