28TH GUANGZHOU INTERNATIONAL LIGHTING EXHIBITION ended on June 12th.Covering 22 pavilions, the layout of the exhibition area was extended from Zone A and Zone B to Zone D for the first time, with a scale of 220,000 square meters, attracting 3,318 brand enterprises from 18 countries around the world
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In the late 19th century, a rotating wooden barrel became a favorite of innovator Philip Mader. The barrel was attached to the ceiling and connected by a belt to a steam engine, whose power turned the barrel to create a cool breeze.At first, Mader was just trying to deal with the heat he and other w
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The fan blade is an important part of the ceiling fan lamp. The life of a good fan can reach ten or eight years, while the quality of the poor fan may be used for three or five years, which will affect the use effect, and what's more, it may bury a hidden danger to the safety. Although the width and
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