The utility model relates to a power switch used for a ventilating fan and a special pulling switch used for the closure and the linkage of shutter blades.
本实用新型是一种用于换气扇的电源开关和百叶闭合连动的专用拉线开关装置。
This company specialized production washer, dehydrator, electric fan, warm air blower, ventilating fan , series product and so on .