Guangzhou Huangpu District Guangdong Construction Shi Zheng Gong Yong Engineering Engineering Supervision City Township Construction Low Carbon Environmental Protection Ecological Construction Environmental Treatment Environmental Protection Processing Environmental Treatment Environment Management Shi Zheng Gong Yong Engineering Design City Construction 会长单位 省级专精特新中小企业 市级专精特新中小企业 省级高新技术企业 高新技术企业 省级创新型中小企业