Shaanxi Cuicheng Biomedical Technology Co., Ltd. Main: 1 Customized R&D and production of traditional Chinese medicine chemical components (monomer compounds) and reference substances; 2 R&D outsourcing and OEM production of industrialized production process engineering of chemical components of traditional Chinese medicine (monomer compounds); 3 OEM production of high-content plant extracts; 4. Preparation, purification and related scientific services of natural product derivatives; 5 Biological fermentation; enzymatic catalysis 6 R&D customization and OEM production of pharmaceutical intermediates and APIs; 7 Purification, preparation and structure identification of drug impurities; 8 Analysis and testing of Chinese herbal medicines and Chinese herbal decoction pieces; 9 In the field of R&D and production of traditional Chinese medicine chemical reference substances, such as Chinese herbal medicine extraction, concentration, coarse fractionation, subdivision, compound monomer preparation, structure identification, etc.