Customers select refrigerators imported from Japan at the Xidan Shopping Mall in Beijing, capital of China, in the summer of 1980. (Photos: Xinhua)

A man works at a factory of Panasonic color television picture tube company jointly run by China and Japan, in this file photo taken in February 1990 in Beijing, capital of China.

A Santana car made by Volkswagen is placed on a sign of Shanghai Volkswagen, a China-Germany joint venture, in this file photo taken in May 1990 in Shanghai, east China.

File photo taken in October 1990 shows the outside look of the McDonald's in Shenzhen, south China's Guangdong Province. It was the first McDonald's opened in the Chinese mainland.

The 101st Session of China Import and Export Fair is opened in Guangzhou, capital of south China's Guangdong Province, April 15, 2007.

File photo taken on April 22, 2009 shows the giant signboard of Sweden's chic fashion chain store H&M on Qianmen Street in Beijing, capital of China.

People are seen in front of a billboard of the Shanghai 2010 World Expo in Shanghai, east China, April 22, 2010.

A cyclist drives at the entrance to the China (Shanghai) Pilot Free Trade Zone in Shanghai, east China, Sept. 26, 2013.

File photo taken on Nov. 10, 2015 shows workers sorting out imported goods at the Hangzhou Cross-Border E-Commerce Industrial Park in Hangzhou, capital of east China's Zhejiang Province.

Visitors view the model of a GE aircraft engine at the First China International Import Expo in Shanghai, east China, Nov. 5, 2018.