1. Agent for Dongfeng EQDN serial CNG engine
Beijing SYF Co., Ltd. is a group with four subsidiary companies involved in various fields as chemical fiber, vehicles, chemicals, etc. SYF is the agent for EQDN serial CNG engine of Dongfeng Motor Co., Ltd., which is the largest commercial vehicle company in China.

2. Manufacturer of CNG delivery system
Beijing AINY, as a subsidiary company of SYF, is the manufacturer of gas delivery system to Dongfeng EQDN serial EFI engine. AINY could provide all sided solutions for CNG delivery system. The EQDN serial CNG engine apply mainly to commercial vehicles, including public transport vehicles, trucks, city buses, etc.

3. Provide corresponding services
Provides installation guides and ECU adjusting services.