粉嫩虎白女一线天_午夜激情经典欧美黄_无尽女同扶她3D动漫_婷婷丁香狠狠_国产天堂在线视频_99成人国产综合久久精品_www九九九毛片无码一区_美女裸体无遮挡永久免费视频网站_亚洲午夜影院日本_欧美在线观看app

This project adopts our photoelectric high luminous efficiency LED mining lamp series (with lifting device). The series of mining lamps have passed the national CCCF fire protection certification, not only beautiful, but also have high luminous efficiency, high energy saving, long life, uniform and soft light. The light efficiency is as high as 150lm / W, which significantly saves the operating energy cost.