Workers check products at Contemporary Amperex Technology Co Ltd, the world's biggest maker of electric vehicle batteries, at the company's factory in Ningde, southeast China's Fujian province. Photo: XinhuaWorkers check products at Contemporary Amperex Technology Co Ltd, the world's biggest maker of electric vehicle batteries, at the company's factory in Ningde, southeast China's Fujian province. Photo: Xinhua

Workers check products at Contemporary Amperex Technology Co Ltd, the world’s biggest maker of electric vehicle batteries, at the company’s factory in Ningde, southeast China’s Fujian province. Photo: Xinhua

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