Yiwu shuangdiao Trading Co., Ltd., established in 2020, is a large-scale science and technology group specializing in the R & D, design, production and sales of rechargeable flashlight, LED flashlight, LED headlamp, LED desk lamp, portable power supply, emergency lamp, fire emergency lamp and other light source products. The company is headquartered in Taige science and Technology Park, Chaonan District, Shantou City. The company is one of the earliest companies to develop and produce rechargeable power supply products. Now it has been standing in the optical power supply technology market for more than ten years, and has been developing and growing