weaster international co., china office

we are a company ranged in chemicals ,such as caustic sods ,soda ash etc.we can supply best quality goods,ans good sevice.
sodium sulphate anhydrous, Ammonium Thiocyanate , Carbon black, Sodium benzoate, Calcium citrate, caustic soda , Citric acid, di calcium phosphate, maleic anhydride, Potassium citrate, Polyvinyl alcohol, Potassium hydroxide, soda ash , sodium bicarbonate, sodium chlorate, Sodium Percarbonate, Sodium persulfate, sodium tripolyphosphate, 4A Zeolite , Sorbitol