Chongqing Jiangbei DistrictNo.20 Chromatography Li Zi Se Pu Ce Dong Instruments Qi Xiang Se Pu Da Qi Cai Yang Devices Graphite Da Qi Cai Yang Instruments Shui Zhi Analysis Gong Gong Field Institute Health Detection科技型中小企业省级高新技术企业市级高新技术企业高新技术企业