Ningxia Zhongsheng New-Tech Co., Ltd. is a national high-tech enterprise (Certificate No. : GR201864000002). Founded in 1998, located in Zhongwei Industrial Park, Ningxia, the company covers an area of 335 mu, with more than 500 employees, including more than 120 senior r&d personnel. The company is a professional manufacturer of deep blue reducers (2-amino-4-acetaminophenol / 3-amino-4-methoxyacetanilide) with advanced production technology and equipment at home and abroad. The company adopts clean and efficient catalytic hydrogenation reduction production process encouraged by the state, which has been independently developed for many years, to replace the traditional iron powder reduction...