Group 1 - Lanzhou Lanshi Heavy Equipment Co., Ltd. (referred to as "Lanshi Heavy Equipment") announced that its subsidiaries, Lanzhou Lanshi Heat Exchange Equipment Co., Ltd. (referred to as "Heat Exchange Company") and Qingdao Lanshi Heavy Machinery Equipment Co., Ltd. (referred to as "Qingdao Company"), have obtained important qualification recognitions [2] - The Heat Exchange Company has been recognized as a national-level "specialized, refined, distinctive, and innovative" small giant enterprise, which is part of the seventh batch of such enterprises in Gansu Province [2] - The Heat Exchange Company, established in 1965, is the only state-owned enterprise in the field of plate heat exchangers and has a leading position in technology, equipment level, and production scale in the domestic industry [2] Group 2 - The Heat Exchange Company has developed over 100 series of products, including detachable plate heat exchangers and welded plate heat exchangers, achieving domestic leading and international advanced levels in several areas [3] - Qingdao Company has been recognized as a high-tech enterprise, allowing it to enjoy preferential tax policies for three consecutive years, with a corporate income tax rate of 15% [3] - Qingdao Company has also been included in the list of "Shandong Province Manufacturing Single Champion Enterprises," which recognizes its excellence in manufacturing [3] Group 3 - Qingdao Company focuses on high-end equipment manufacturing for refining and chemical industries, providing core equipment with high technical content and added value [4] - The recognition of the subsidiaries as specialized, high-tech, and manufacturing champions reflects their comprehensive development strength in R&D, technological innovation, and product services [4] - This recognition is expected to enhance Lanshi Heavy Equipment's competitiveness and influence in the energy-saving and traditional energy chemical equipment sectors [4]