Dongguan City Langlong Electronic Co., Ltd. is a subsidiary company of ALANSHII (HK) International Company Ltd. Our former name was Senzhen Ruixinqi Electronic Co., Ltd. Our company has studied a series of LED lights since October, 2005. We are one of the earliest companies in producing LED light products. We integrate design, development, manufacture, and marketing together. We are one of the most professional manufacturers. Our products include rechargeable flash lights, multi-functional power sources, and multi-functional head lights. Our products are environmentally friendly and energy...