Core Viewpoint - The company, Ruina Intelligent (301129.SZ), confirmed that it did not participate in the bidding for the 280 million yuan smart heating EPC project in Shijiazhuang Luquan District [1] Group 1 - An investor inquired about the company's involvement in the 280 million yuan smart heating EPC project [1] - The company responded on the investor interaction platform regarding the inquiry [1]