China Machinery Huanyu Certification and Inspection Co., Ltd., together with its subsidiaries, provides third-party certification, inspection, and testing services for vehicles and mechanical equipment in China and internationally. It operates through four segments: Inspection Business, Certification Business, Automobile Design, and Others. The company offers inspection and testing services for complete vehicles, military equipment, construction machinery, special equipment, civil aviation ground equipment, and related parts; and certification services, including product certification, system certification, and service certification. It also provides creative design services for complete vehicle styling; model verification; automotive engineering design services; research services; intelligent upgrading; and management improvement. The company was founded in 2003 and is headquartered in Beijing, China.