Before the US election in November, wechat became one of the targets of Trump’s government restrictions. According to trump’s executive order, wechat should have disappeared from the US app store on September 20. But a judge in San Francisco issued a preliminary injunction over the weekend, suspending Trump’s order, saying it violated rights. < p > < p > wechat has 19 million fixed users in the United States and more than 1 billion fixed users in the world. The app includes many functions, including games and digital payments, and is a marketing and communication tool that American companies often use to reach their Chinese counterparts or consumers. Spontaneous combustion at a Guangzhou Motor vehicle intersection and other traffic lights in Shenzhen