| 2. | Being an accredited enterprise of international quality system iso9001 . the group has nine exclusively - owned or shareholding subsidiaries as follows : photoelectrical technology , bituminous concrete delivery , road surface materials , car transportation , equipment monitoring , experimental examination , real estate development , tourism , labor agency and overseas project
集团公司是iso9001国际质量体系标准认证企业，并有全资或控股的光电科技、商砼配送、路面材料、设备监理、试验检测站、房地产开发、旅游度假、劳务中介服务、国际工程等子公司。 |
