On 18th December 2023, General Manager of Yongxin Special Steel Zhang Jianxin and his four-member delegation visited Shanghai Ringmill Data & Information Co., Ltd. for an inspection tour and conducted in-depth exchanges on the current development status, market opportunities and future development trends of the mining industry. He Guoyong, Vice President of Ringmill Technology Group and Vice Chairman of Shanghai Ringmill Data Information Co., Ltd, and Lu Yuanjing, Deputy Director of the Office, accompanied the reception.