What subsidiaries are there in Kunming Jiaotou?

Kunming Jiaotou's subordinate companies are: Yunnan Yunling Expressway Technology Co., Ltd., Yunnan Yunling Expressway Maintenance and Greening Engineering Co., Ltd., Yunnan Yunling Expressway Real Estate Development Co., Ltd., Yunnan Yunling Expressway Engineering Consulting Co., Ltd., Yunnan Yunling Expressway Bridge Engineering Co., Ltd., etc.