昱能科技：股东天通高新累计质押股份1638万股

Group 1 - The core point of the article is that YN Technology announced the shareholding status of its major shareholder, Tiantong High-tech Group, which holds 21,500,689 shares, accounting for 13.76% of the total share capital [1] - Tiantong High-tech has released a pledge of 2,380,000 shares and re-pledged the same amount, leaving a total of 16,380,000 pledged shares, which represents 76.18% of its total holdings and 10.48% of the company's total share capital [1] Group 2 - The article highlights the advancements in semi-solid battery technology, indicating that multiple new vehicles are expected to be equipped with this technology this year, marking a significant year for power battery technology iteration [1]