Shenzhen Hengxingrui Electronic Technology Co.,Ltd

1. Look at random files Each fan of random file including the use of manual, product certification, electrical circuit diagram and the packing list, when you buy according to the packing list inventory, check the quality and quantity of spare parts.

2.Look at the net and whether the blade deformation Assembled in good electric fan on the net, using a pen point to a highest point blades, slowly moving blades, several other blades corresponding points and distance of the tip should be very close, to turn the blades, pay attention to observe whether rotation is light and flexible, and can be stopped at any position