Special Chemicals are one of the main kinds of products by Shanghai Huayi (Group) Company. Under Shanghai Huayi (Group) Company, there are over ten manufacturers of special chemicals including Shanghai Chemical Reagent Co., Ltd, Shanghai Huayuan Fine Chemical Industry Co., Ltd, Shanghai Xingguang Chemical Plant and Shanghai Adjuvant Plant. There are also Shanghai Chemical Reagent Research Institute, Shanghai Dyestuff Research Institute, Shanghai Synthetic Resin Research Institute, Shanghai Rubber Product Research Institute and Shanghai Fine Chemical Research Institute involving in the research and development of special chemicals. The several thousands of products manufactured throughout the year are divided into seven categories.

1. Adjuvant

There are mainly rubber ingredients, textile auxiliaries, plastic ingredients and printing accessory ingredients.

2. Chemical Reagent

There are mainly different inorganic and organic reagents, biochemical reagents and instrument analysis reagents. The reagents with the brand of "Shangshi" are well known in the country for their high quality and long history.

3. Food Additive

There are mainly various food flavors, flavoring agents, antiseptics, food dyestuffs and pigments and so on.

4. Electronic Chemicals

There are mainly dispersing agents, detergents, etchant mixtures, welding assistant, protective agents, different kinds of conductive adhesives and glues. The extra pure and clean microelectronic chemicals for making super large-scale integrated circuits are now being developed.

5. Catalyst and Initiator

There are mainly metalloid and noble metal catalysts, azo initiators, protective agents for amino acids and molecular sieves and so on.

6. Intermediate for Pharmaceuticals and Pesticide

The intermediate products cover diazanes, miazines, indoles, polypeptides, carbonates and others fluorine, chlorine and bromine containing compounds.

7. Paper-Making and Oilfield Chemicals

There are mainly bleaching agents, sizing agents and thickeners for drilling and so on.