Changyu industrial Co., Ltd is a professional LED lighting high-tech company, specializing in R&D, manufacture, sales and service of LED lighting.Our products cover various outdoor light including LED floodlight, LED street light, LED industrial light, LED tunnel light, and indoor light such as LED tube, LED bulb, LED spotlight, LED ceiling lamp, etc.We have our own mould factory which has the mould design bureau and our own aluminum die-casting factory that can provide us with the casings of the LED lights. Changyu can execute LED lighting design, mould design, assembly and product testing all in-house.We performs according to the standard of ISO9001:2008/14001:2004.And all of our products passed the international certificates such as CE, RoHS, etc.All of these can ensure our products���¢?? quality and timely manufacturing schedule. Changyu has its own LED lighting design bureau with more than 10 experienced engineers, which develops new products and improves production process continuously. We have different kinds of advanced machining equipments, such as electron discharge machining, advanced CNC, milling machine, plastic injection machine, aluminum die-casting molds and our advanced CNC machining center. Moreover, most of our outdoor LED lights have got the patent certificate. Standardization and high quality are the direction of our products, Changyu actively participates in and leads the LED industry to establish the standardized criteria. Based on material and our high-tech advantages, Changyu provides all products with good quality, competitive price and excellent service, our basic principle is professional and practical, honest and reliable.Changyu has won a good reputation and generated a far-reaching impact in both domestic and foreign market.