Anhui Bayi Chemical Co., Ltd. is a large state-owned chemical enterprise specializing in the production of two series products of nitrochlorobenzene and chlor-alkali. Its main production units include: 60000 t/a ionic membrane caustic soda, 80000 t/a chlorobenzene, 100000 t/a p-nitrochlorobenzene, 25000 t/a p-nitrophenol sodium, 20000 t/a p-nitrophenol, 10000 t/a hydrogenated p-aminophenol, 12000 tons/year of paracetamol (domestic manufacturers using hydrogenation process of p-aminophenol as raw material can provide high-quality paracetamol.) 6000 tons/year of o-phenylenediamine, 2000 tons/year of white o-phenylenediamine (scale and technical level rank first in China). In 1998, it passed the ISO9002 international quality system certification! The company selected our production equipment at the beginning of 2007. After more than one year of actual production, it has fully met the production requirements!