Xi Jinping Visits The United States, China Invests 2 Billion US Dollars In The Construction Of California High-speed Rail

Letter to Union Pacific Railroad

Support Letter From The Chinese Oversea Doctors Of Philosophy Association

District Supervisor Eric Mar Invites Chinese Delegation (Including Tangche) To Visit California

Letter Of Invitation From Claudine Chen, President of Treasure Island Development Authority To Tangche

Invitation Letter From California Senator Mark Leno To Tangche

Mayor Lee Of San Francisco Sent A Letter Inviting Tangche To Come To The United States