In order to carry out the working agenda of China Provinces and US California Joint Working Group and promote practical cooperation between China and the US, Vice President LIU Chun led a delegation of 130 companies from Hebei, Inner Mongolia, Jiangsu, Shanghai, Guangdong and Zhejiang to visit New York and Los Angeles of the US from May 8 to 10^th. A serious of events such as New York State Investment Environment Introduction, China-Week (China Provinces and California Trade and Economic Summit) were held. The delegation also visited professional law firm and exchanged ideas on the themes of investment, acquisition, real estate and so on. This visit greatly promotes the mutual understanding between Chinese and the US companies, which fruitfully pushes forward the bilateral cooperation.