云南省是我国面向东南亚、南亚的重要门户和前沿,是我国向西南开放最便捷的大通道,在促进区域协调发展、深化沿边开放合作、维护国家安全和西南边 Yunnan Province is an important gateway and forefront of our country toward Southeast Asia and South Asia and is the most convenient large thoroughfare in opening up to the southwest of our country. It is conducive to promoting regional coordinated development, deepening open and cooperation along the border, and safeguarding national security and the southwest side