云南昆船电子设备有限公司······································封面
太原吉亿达科技有限公司·············································封二
盛世云商···························································封三
天津和顺达精密带钢有限公司·································封底
中国汽车技术研究中心··············································前彩1
盛世云商······································································前彩2
北京时代贝林机电设备有限公司······························前彩3
北京华创网安科技股份有限公司······························前彩4