Sugiyama Seisakusho Co.,Ltd.

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Sugiyama Seisakusho Co., Ltd provide high quality, stable supply commutator for small DC motor.

Precision molding product

Precision molded

Sugiyama has developed and produced high quality, high performance commutators for small motors. And meet the customer's needs of precision molds parts, metal inserting molded parts and design/production of precision dies with full use of our long years knowledge and technology.

Components for Brushless motor

Be used under current and is used in power distribution to each phase by coil for brushless motor.

Bus bars


Primary use
Electric power steering, electric bicycle with assist, electric motorcycle other



Precision molded parts and Metal inserting molded parts

Primary use
Solenoid valve, connector, housing with bearing and complex shape parts.