Changchai mainly produces small and medium-sized power single-cylinder, multi-cylinder diesel engine, the"OEM" brand trademark was identified as the earliest Chinese famous trademarks at home, 'Chinese famous brand products","nation inspection-exempted products' title, took the lead through the ISO9000 quality system certification, established a perfect quality assurance system.

OEM service to build a nationwide sales and service network, service outlets throughout the urban and rural areas, can provide customers with high quality, efficient timely service.