No.443 Panyu District Popularity Ranking Guangzhou Guangdong No.21 Electromechanical Engineering Design No.25 Monitoring Systems No.26 Construction Electromechanical Engineering No.37 Security Technology No.53 Gong Road Engineering No.65 Energy Saving and Environmental Protection No.69 Security No.70 Road and Bridge No.90 Municipal Engineering Shi Zheng Gong Yong Engineering Environmental Treatment Shi Gong Zong Cheng Bag 省级高新技术企业 专精特新小巨人企业 高新技术企业 省高新技术产品 企业技术中心 省级专精特新中小企业 科技型中小企业 省科技型中小企业 省级创新型中小企业