惠丰钻石：参股公司旋风新材完成工商变更登记

Group 1 - The core announcement is that Huifeng Diamond's associate company, Xuanfeng New Materials, has completed the industrial and commercial change registration on December 23 [2] - Xuanfeng New Materials has obtained a new business license issued by the Market Supervision Administration of Changge City, with a registered capital of 75 million yuan [2] - The company's address has been relocated to No. 200, People's Road, Changxing Road, Changge City, Xuchang, Henan Province [2]