YiWu Bernet Machinery And Equipment Co., Ltd

Working principle: This product adopts the principle of hand cranking to generate the power charge it is built-in 80 mAh NI-H storage battery after

Working principle: This product adopts electromagnetic theorem and hand operation. Crank the handle to drive the gear system and make the motor turn

Working principle: This product adopts the principle of the hand cranking and solar-energy for power genertion,it change its built-in 300mah/2.4V Ni

Working principle: This product adopts 3-phase brushless generator to generate the power to charge its inside 80 mAh/3.6V NI-MH battery after rectif

Aluminium bar and shape, make aluminium products ,include window, door, stairway rail, adiabatic material and so on. And according to the client req