Group 1 - The company name has been changed from "中核华原钛白股份有限公司" to "钛能化学股份有限公司" and the English name from "CNNC HUA YUAN TITANIUM DIOXIDE CO., LTD." to "Tinergy Chemical Co., Ltd." [2] - The company's stock abbreviation has changed from "中核钛白" to "钛能化学" and the English abbreviation from "CNNC TD" to "Ti Chem," effective from October 20, 2025 [2][6] - The company's stock code "002145" remains unchanged [2] Group 2 - The decision to change the company name and stock abbreviation was approved in meetings held on September 23, 2025, and October 13, 2025 [3] - The company has completed the registration of the name change with the Baiyin City Market Supervision Administration and has obtained a new business license [5] - The change aligns with the company's development strategy and brand building, matching its main business and future strategic planning [6] Group 3 - The company has added a new investor hotline number to enhance investor relations management, effective from October 20, 2025 [7] - The original investor hotline remains the same, while a new hotline number has been introduced [7]

Group 1 - The company, Zhongke Titanium White (002145.SZ), plans to change its name and stock abbreviation to better align with its development strategy and brand building [1] - The new name and abbreviation will match the company's main business operations and future strategic planning, focusing on the coupling development strategy of "titanium chemicals, phosphorus chemicals, and new energy materials" [1] - The company aims to further establish a "sulfur-phosphorus-iron-titanium" green circular development model through this name change [1]