久久超碰97人人做人人爱_日韩一区精品视频一区二区_ ,欧美无人区码SUV,国产一区二区乐插,亚洲天堂在线观看视频,精品一区二区三区无码视频 ,又黄又爽又无遮挡在线观看免费_亚洲宅男精品一区在线观看_在线观看国产一级强片_怎么看黄片

Contact Us

Micro Cooling Fan innovation

Date: 2015-8-18   Click: 1703 Times

"Micro Cooling Fan" Manufacturers pale fan of history. We all know that the fan a long history, with the development of society, the fans of the functions are more complete, and even more innovative. The fan is our essential household appliances. "Micro Cooling Fan" is how the history of the development process like? Xin speeding bring everyone together to learn to understand it! Mechanical fan originated on the roof in 1830, a man named James Byron Americans suffer from the structure of the watch Inspired, he invented a fixed ceiling, with spring-driven mechanical fan. This "Micro Cooling Fan" cool slowly rotating blades brings people feel happy, but have climbed the ladder to the winding, very troublesome.

Back to: Industry news

+86-0769-83660708

Home Product News Contact