No.90 Dongguan Popularity Ranking No.1 Zhangmutou Town No.634 Guangdong No.1 Environmental Engineering Design No.1 Industrial Products No.1 Electromechanical Engineering Design No.1 Environmental Engineering Technology No.1 Construction Electromechanical No.1 Energy Saving Technology No.1 Yun Wei No.1 Refrigeration Engineering No.1 Industrial Supplies No.1 Construction Electromechanical Engineering No.1 Energy Saving and Environmental Protection Equipment No.1 Refrigeration 国家高新技术企业 高新技术企业 民营科技企业 理事单位 工业产品绿色设计示范企业 省级工业设计中心 ISO9001认证 ISO45001认证 ISO14001认证