About us

Suzhou Sanyo Electro-Mechanical Co., Ltd. transferred the bicycle light business to Suzhou Yamada Electro-Mechanical Co., Ltd. as of June 1st, 2021 and the brand name is changed to Hapyson from Panasonic. Taking this opportunity, Suzhou Yamada Electro-Mechanical Co., Ltd. concentrates on product development more than ever and continue creating products that please everyone by keeping the know-how, quality and design of the bicycle light products were cultivated by Panasonic.

We look forward to your continued support.


Name SuzhouYAMADA Electro-Mechanical Co.,Ltd
Location No.1025, Sunwu Road, Xukou Town, Suzhou, Jiangsu, China
Tel +86-512-66211858 +86-512-66217665
Fax +86-512-66211238
Chairman of Board Mr.Yamada
President Mr.Fujikawa
Set up date June 2021
Scope Lighting unit for Bicycle and E-bike, Development, Produce and Sale.
Including block dynamo/hub dynamo/light for hub dynamo/battery light/Reflector
Employee 140persons