Taizhou Doufeng VEHICLE Co., Ltd. is a competitive and specialized China S1-110s manufacturers and OEM S1-110s factroy based in Taizhou, Zhejiang. “Dofern” is an internationally recognized brand registered by Taizhou Doufeng that concentrates on developing, manufacturing, and selling electric and wholesale S1-110s and accessory parts. Dofern is a professional production and technical personnel enterprise. It has an assembly line, a dust-free paint shop, and test lines for safety performance and full-functional inspection. It also founded R&D centers in China with independent technological innovation and professional teams. In 2019, Dofern launched the first innovative electric motorcycle（a three-wheeled electric scooter）named D1. The D1 has the EEC certificate, CCC certificate, ISO9000 quality system certification, 5 patented technologies in over 100 countries, 15 utility model patents, and 25 design patents worldwide. 

Catering to international customer needs, Dofern also provides wholesale buyers with the option to use their D1 branding worldwide. Moreover, Dofern will soon launch a petrol three-wheeled scooter with a liquid-cooled engine in 2021. Dofern always meets international standards and insists on technology and quality to establish a well-known brand image. The management aims of Dofern are integrity, high efficiency, and timeliness to provide customers with excellent service.