According to the US Chamber of Commerce, the US government is set to impose new export restrictions on China. This could happen as early as next week, according to an internal email from the Chamber to its members, which the news agency Reuters was able to view. According to the email, up to 200 more Chinese chip companies could be added to the list that bars most US suppliers from shipping goods to the targeted firms. The email was dated Thursday. The Chamber of Commerce did not respond to a request for comment, and the Commerce Department declined to comment.