Hangzhou SFR Technology Co.,Ltd. , used call Hangzhou Sunfun Chain Co.,Ltd., with its brand SFR, is the specialist in Motorcycle Chain Industry. Ever since founded in 1991, SFR has been keeping striving to improve product performance and now, SFR is becoming one of the largest motorcycle chain manufacturer in China-not only for the quantity, but also for the QUALITY.

Withe the support from strong engineering capabilities and reliable human resources, SFR serves worl-wide customers with excellent products. With customers’ trust, SFR is now widely marketed at home and abroad, of which we have gained remarkable international reputation. Also it motivates our SFR team to strive for further development to return our customers & society with sincere service, innovative technology and excellent products.