Shanghai plant production jumped 235% to over 480,000 vehicles in 2021, with one-third going to export markets A document filed with the Shanghai city government says that Tesla plans to expand parts production at its Shanghai factory to meet growing demand for exports. The automaker will add production workshops, increase the number of workers and lengthen the time equipment is operational, according to the document. Exact figures were redacted from the document, which was filed on Tuesday. Tesla’s Shanghai factory can now make a combined total of 450,000 Model 3 and Model Y vehicles a year. Xinhua reported Tesla’s Shanghai…