The safety components series products made by NBSL e. G. Speedgovernor, safety gear, oil buffer, guide shoe, rope brake, fullycomply with GB7588-2003 standard (equivalent to the EN81-1: 1998standard), featuring professional product design, high quality,passing national type testing certification, the products havecomplete specifications, being suitable for machine room,mini-machine room and machine room less elevators as well as homelift and high speed elevator.