Britain's International Trade Secretary Liam Fox is interviewed by Reuters at the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A Dell sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A General Motors sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A stall of U.S. Dairy Export Council is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 5, 2018.

A General Electric (GE) sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A Qualcomm sign is reflected in a Xiaomi phone during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 7, 2018.

A man tries to shake hands with SCHUNK 5-finger anthropomorphic gripper hand during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A Westinghouse Electric sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

Facebook signs are seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 5, 2018.

A Tesla sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A Costco Wholesale sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 5, 2018. REUTERS/Aly Song

A Dow sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 6, 2018.

A Microsoft sign is seen during the China International Import Expo (CIIE), at the National Exhibition and Convention Center in Shanghai, China November 5, 2018.