[TM] ) On Monday, it said it was preparing to resume operations in Changchun, Jilin Province – one of China’s largest auto manufacturing centers – after a month-long halt. “We have been gradually preparing to resume operations at our Changchun plant since late last week,” the Japanese automaker said in a statement. “But the timing of the full operation has not yet been determined,” she added. Toyota suspended production at its Changchun plant on March 14. [VLKAF] ) On Monday, it resumed production at its factories in Changchun, which also closed in mid-March. But its Shanghai plant, which it runs…