China Construction Fourth Engineering Bureau Installation Engineering Co., Ltd., formerly known as China Construction Fourth Engineering Bureau Installation Company, was established in 1958. It is an independent legal entity under China Construction Engineering Corporation, a Fortune 500 company. It was restructured in 2008 and is under the jurisdiction of China Construction Fourth Engineering Bureau Co., Ltd. It has first-class mechanical and electrical engineering general contracting, first-class steel structure engineering, first-class fire engineering, first-class municipal public engineering, and second-class petrochemical pipeline engineering A professional construction unit with qualifications such as Level 2 for building construction engineering, Level 2 for intelligent engineering, Level B for lightning protection engineering, GB1, GB2, GC2 for pressure pipelines, Level B for installation and maintenance of lifting machinery, and Level A for boiler installation, renovation, and maintenance.

Since 2010, we have purchased several batches of environmental noise reduction installation projects for our company's 800KW, 720KW, and 1000KW Cummins generator sets.