China Chemical Engineering Fourth Construction Co., Ltd. - Yueyang High tech Industrial Park Biopharmaceutical Industrial Park (Phase I) Construction Project Jingyi Pharmaceutical Phase II - PTFE Stair Plate - Procurement Plan (Second Procurement) Negotiation and Procurement Change Announcement China Chemical Engineering Fourth Construction Co., Ltd. - Yueyang High tech Industrial Park Biopharmaceutical Industrial Park (Phase I) Construction Project Jingyi Pharmaceutical Phase II - PTFE Stair Plate - Procurement Plan - Package 01 (Second Procurement) (Procurement No.: JZ-GC-CLCG-20250303-096）， Due to bidding issues, the following changes have been made: 1. Project Information Procurement Project Number: JZ-GC-CLCG-20250303-096 Procurement Project Name: Fourth Company Yueyang High tech Industrial Park Biopharmaceutical Industry Park (Phase I) Construction Project Jingyi Pharmaceutical Phase II - PTFE Staircase Plate - Procurement Plan (Second Procurement) Section (Package) Number: JZ-GC-CLCG-20250303-096/01 Section (Package) Name: Fourth Company Yueyang High tech Industrial Park Biopharmaceutical Industry Park (Phase I) Construction Project Jingyi Pharmaceutical Phase II - PTFE Staircase Plate - Procurement Plan - Package 01 (Second Procurement) 2. End time for obtaining change information procurement documents: April 2025 1615:00 Deadline for submitting clarification questions: April 17, 2025 4:00 Deadline and opening time for submitting response documents: April 17, 2025 5:00 Other content remains unchanged. If you have any questions, please contact the contact person below. 3. Contact Information Purchaser: China Chemical Engineering Fourth Construction Co., Ltd. Address: Yueyang City, Hunan Province Postal Code: 414000 Contact Person: Li Bo Phone: 17373650701 Email: csh537wssy@163.com China Chemical Engineering Fourth Construction Co., Ltd. April 14, 2025