Rubber end-cup is assembled in Aluminum end-cup, to start engines by using the friction force between the Rubber end –cup and Spinner.
OUR PROMISE Our principle is to keep faith and guarantee quality. We always do our best to supply customers with best products and after-sale service.
QUALITY ASSURANCE GS has gained patents for Out Runner motor and Inner Runner motor, and obtained ISO 9001 Certificate. Our motors are passed CE and ROHS Certificate, and our registrated brand is G&S and Boundless.