No.262 Chaoyang District Popularity Ranking Beijing No.2 Hoisting Equipment No.3 Boilers Equipment No.7 Ya Li Pipes Road No.7 Product Quality Appraisal No.9 Ya Li Rong Devices No.9 Quality Detection No.11 Water Mirror No.13 Water Treatment Technology No.15 Equipment Manufacturing No.17 Special Equipment No.20 Petrochemicals No.47 Xue Shu Yan Jiu 常务理事单位 理事单位 理事长单位 中国专利优秀奖 省级高新技术企业 市级高新技术企业