We are the manufacturer of pharmaceutical raw matericals in China with GMP approved. We specialize in this field for several years, our main products are:Norfloxacin(Base.Hcl .Nicotinate).Florfenicol.Tilmicosin.N-Carbamylglutamate.Carbasalate Calcium.Nicarbazine.Aloe-emodine. Flumequine. Toltrazuri.etc. with good quality and pretty competitive price.