A variety of auxiliary reagents and consumables of cell culture provided by Shenzhen Dakewe Bio-engineering Co., Ltd., including mild trypsin digestion solutions, recombinant protein products, cell culture bags, buffer solutions, CCK-8 and other auxiliary products. Among them, trypsin digestion solutions act mildly, excessive digestion does not damage the surface marker and cell function, GMP-grade, no exogenous virus contamination, no hetero-enzyme pollution, stable performance, resistant to repeated freeze-thaw.