Richap Chem is a specilized company which focus on Air oxidation, Acetylation and chlorosulfonation etc., among Chinese fine chemical industry. Our manufacturing site is located in duigougang chemical industrial park, Lianyungang, Jiangsu Province, with land of 96000 m2, currently we have 5 workshops (each of 1000 m2 ) running for different products. Air Water Richap is a Japanese-Chinese joint-venture, focusing on Custom Manufacturing, Naphthalene series derivatives，Fluorene series derivatives etc; Lianyungang Richap focus on special oxidation, is one of the biggest producer of 3,5-Dimethylbenzoic acid, p-Ethylbenzoic acid, 2-Methyl-3-Methoxybenzoic Acid, 2-Nitro-4-Sulfamoylbenzoic acid, Veratric Acid, series other dimethybenzoic acid, series of dichlorobenzoic acid, Lasamide (2,4-Dichloro-5-sulfonmylbenzoic acid) , 1-Naphthoic Acid and 2-Naphthoic Acid, 4-Hydroxy TEMPO, Pinacol etc. Our technology for other benzoic acid derivatives, benzaldehyde derivatives are very competitive as well. Sets of HPLC,GC, UV, ICP, Magnetic Trapper are support basis for reliable testing and quality control.