Chinese lithium battery manufacturers made marked progress in their business revenues in the first half of 2022, with industry giants expanding investment in exploring upstream mineral materials to ensure security and stability of their own supply chains. Industry experts predict this year's new-energy vehicle (NEV) sales in China will reach 6 million units. Domestic battery maker Gotion High-Tech Co, which attracted widespread attention for its recent IPO in Switzerland, released its interim financial report Friday night. The company reported 8.64 billion yuan ($1.26 billion) in business revenues for the first six months of the year, up 143.24 percent year-on-year. Its…