精工科技：碳纤维生产线销售合同变更 买方变更为京亿纤业（遂宁）公司

Group 1 - The company signed a sales contract with Sichuan Zhongyi Huixin New Material Technology Co., Ltd. for an amount of 516 million yuan (including tax) [1] - A tripartite agreement was signed among the company, Zhongyi Huixin, and Jingyi Fiber Industry (Suining) Technology Co., Ltd. regarding the change of the buyer in the contract [1] - The buyer in the original contract has been changed to Jingyi Fiber Industry (Suining) Company, which agrees to pay a deposit of 10 million yuan by the end of November 2025 [1]