★国家安全生产常州矿用通讯监控设备检测检验中心/煤炭工业常州通讯监控产品质量监督检验中心
THE STATE WORK SAFETY CHANGZHOU INSPECTION AND TESTING CENTER FOR MINE COMMUNICATION AND MONITORING DEVICES/COAL INDUSTRY CHANGZHOU QUALITY SUPERVISION AND INSPECTION CENTER FOR COMMUNICATION AND MONITORING PRODUCTS
★国家煤矿防爆安全产品质量检验检测中心
CHINA NATIONAL QUALITY TEST&INSPECTION CENTER FOR EXPLOSION-PROOF AND SAFETY PRODUCTS FOR COAL MINE
★国家灯具质量检验检测中心
SHANGHAI INSTITUTE OF QUALITY INSPECTION AND TECHNICAL RESEARCH-CHINA NATIONAL LIGHTING FITTING QUALITY INSPECTION AND TESTING CENTRE
★苏州电器科学研究院股份有限公司
SUZHOU ELECTRICAL APPARATUS SCIENCE RESEARCH INSTITUTE CO.,LTD
★上海煤科检测技术有限公司
SHANG HAI MEIKE TEST TECHNOLOGY CO.,LTD.
★佳木斯防爆电机研究所有限公司
JIAMUSI EXPLOSION-PROOF ELECTRIC MACHINE INSTITUTE CO.,LTD