SAN FRANCISCO - A trade and investment forum between provinces in China and the US state of Washington is scheduled for later this month.The event, to take place on July 20 in Seattle, is organized by the Trade Development Bureau of China's Commerce Ministry and the US Commerce Department of Washington, and supported by the Consulate General of China in San Francisco and the State Government of Washington.While announcing the upcoming event on Friday, China's Consulate General in San Francisco said the forum is a follow-up to the "Hundred Days Plan" initiated after Chinese President Xi Jinping met with US President Donald Trump at Mar-a-Largo in April.Over 100 Chinese representatives from the provinces of Shaanxi, Liaoning, Shanghai, Guangdong, Jiangsu and Hunan will discuss with their counterparts cooperating in the information industry, high-end manufacturing, life sciences, financial services, e-commerce, food processing and real estate.China has become Washington's largest trading partner outside North America in recent years.