Employees at work at the Shanghai plant of Tesla Inc. [Photo?Xinhua] Tesla Inc is expected to produce more vehicles in China than in the United States, as its Shanghai plant has become the carmaker's largest manufacturing facility across the globe. The Shanghai facility is now able to produce 750,000 vehicles annually, 100,000 units more than Tesla's Fremont plant in California, according to the company's second-quarter financial report released on Thursday. They are followed by Gigafactories in Texas and Germany, each having an annual production capacity of 250,000 units. Tesla's first-quarter report showed that as of the end of March, the…