p-nitrotoluene-o-sulfonic acid CAS NO.121-03-9

sjz chenghui chemical co., ltd. is located in shijiazhuang, the capital of hebei province, 270km away from the south of beijing. we are mainly specializing in manufacturing, import and export of chemical products. our major businesses are:

1. sulfanilic acid, we have been mainly engaging in manufacturering and sale in sulfanilic acid for a more than 20 years, we are the earliest and largest producer in china, and have been selling our product to many areas in the world.

2. optical brightener & optical brightener intermediates, we cooperate with other factory to produce optical brighteners and intemediates , we mainly supply oba for paper and detergent industry,and is the main producer of oba for paper and detergent in china, both of our price and quality have advantages. we have been cooperating with some famous international company, such as p&g, japan kao cooperation and so on.

3. other chemical products, our trading department deal with other chemical business, we set up strategic business relationship and invest into some factories which produce high quality product along with competitive price.

4. wire mesh, we establish wire mesh plant, mainly producing wire mesh for door and window protecting.

with more many years experience and efforts, chenghui chemical has grown to be one of leading companies in the line in china with excellent reputation, and also established the good business relationship with many companies around the world.

we always keep in mind of the tenet of "quality & price, professionalism & efficiency, reliability & reputation". we warmly welcome friends from home and abroad to cooperate with us and create a bright future together.