Core Viewpoint - The article discusses the public bidding announcement for a 300MW/600MWh electrochemical energy storage project in Guancounty, highlighting the procurement details and requirements for potential bidders [2][3]. Procurement Scope - The procurement includes the purchase of equipment for the AC system of the 300MW/600MWh energy storage project, covering PCS, EMS, cables, and other related devices [3]. Bidder Qualification Requirements - Bidders must be legally registered independent entities in China with the ability to assume civil liability [3]. - Bidders should not have been ordered to cease operations, under property management, or declared bankrupt in the last three years [3]. - Bidders must not be listed as serious violators by the industrial and commercial administration [3]. - Bidders should have no significant legal violations in contract performance as per the Chinese judiciary [3]. - Bidders must not be listed as untrustworthy by the national enforcement information public network [3]. - Bidders need to demonstrate good financial health with audited financial statements for the past three years [3]. - Bidders must not be blacklisted by China Energy Construction Corporation or the procurement company [3]. - Bidders should have supplied at least 500MWh of energy storage equipment in the last three years, including at least one project of 100MW or more [3]. - Bidders must possess independent R&D and production capabilities for AC side equipment, including relevant intellectual property certifications [3]. - Joint bids and subcontracting are not accepted for this procurement [3]. Procurement Document Acquisition - Procurement documents can be downloaded from the China Energy Construction electronic procurement platform from October 24, 2025, to October 30, 2025 [3]. Bid Submission - The deadline for bid submission is set for October 30, 2025, at 13:00 [3]. - Bids must be submitted online through the China Energy Construction electronic procurement platform [3]. Opening Time and Location - The bid opening will occur online on October 30, 2025, at 13:00 via the electronic procurement platform [3]. Other Announcement Content - The procurement announcement is published on the China Procurement and Bidding Public Service Platform and the electronic procurement platform [3].