Beijing Dongcheng District No.7 SCADA No.10 Qi Ti Ran Materials No.14 Lian Jiao No.14 Jiao Chemical No.15 Coal Gases No.21 Ye Hua Tian Ran Gases No.23 Heating No.28 Fuels No.30 Fen Bu Shi Energy No.35 Refrigeration No.38 Refrigeration Engineering No.51 Shi You Tian Ran Gases 博士后工作站 常务理事单位 高新技术企业 企业技术中心 中关村高新技术企业 省级高新技术企业