Yao-Kun Tsai

Part of Darfon Electronics Corp., Darfon Innovation Corp. creates premium electric bicycles and accessories using advanced software technology, manufacturing innovation, and unique, stylish designs, for a truly amazing user-experience. The company is based in Taoyuan, Taiwan. The Taiwanese company's flagship product, the BESV PSA1 pedal-assisted e-bike, creates a fun and easy riding experience every time, with a sleek and stylish design that makes you the coolest rider in town. The PS1 pedal-assisted electric bicycle is the perfect choice for urban riders, with their advanced Smart Mode feature guaranteeing the smoothest of rides.

KENSTONE Metal Co., Ltd. produces and distributes bicycles. The firm also offers painting, assembly and decal design services. The company was founded by Jay H. Yang in 1979 and is headquartered in Taichung, Taiwan.

TD HiTech Energy, Inc. engages in the development and manufacture of electric bike battery management systems (BMS). It also offers li-ions power pack assemblies. The company was founded in May 2008 and is headquartered in Hsinchu, Taiwan.

Darfon Materials Corp. manufactures electronic components. The private company is based in Tainan, Taiwan.

Part of Darfon Electronics Corp., Darfon America Corp. is a company that manufactures micro inverters, notebook keyboard and power supply products. The company is based in Mountain View, CA.

Part of Darfon Electronics Corp., Darfon Electronics (Suzhou) Co., Ltd. is a Chinese company that manufactures and distributes electronic components. The company is based in Suzhou, China.

Darfon Materials Corp. manufactures electronic components. The private company is based in Tainan, Taiwan.

Part of Darfon Electronics Corp., Darfon Electronics (Suzhou) Co., Ltd. is a Chinese company that manufactures and distributes electronic components. The company is based in Suzhou, China.

KENSTONE Metal Co., Ltd. produces and distributes bicycles. The firm also offers painting, assembly and decal design services. The company was founded by Jay H. Yang in 1979 and is headquartered in Taichung, Taiwan.

TD HiTech Energy, Inc. engages in the development and manufacture of electric bike battery management systems (BMS). It also offers li-ions power pack assemblies. The company was founded in May 2008 and is headquartered in Hsinchu, Taiwan.