Guangzhou Tianhe District Guangdong No.12 Energy Performance Contracting No.17 Energy Saving Services No.17 Carbon Neutrality No.17 Steel No.35 Energy Saving Technology No.40 Ye Jin Gong Yi No.40 Carbon Peak No.40 Energy Saving Devices No.58 Localization Metal Materials Environmental Protection Products HVAC 高新技术企业 科技型中小企业 省科技型中小企业 省级高新技术企业 省级创新型中小企业