... hours2,)Experienced staffs answer all of your question in fluent English,3,)Customized design is avaliable.OEM & ODM are welcomed,4 ... ., LTD, established in May 8, 2004, is located in Longgang District of Shenzhen China. We are professional for design , manufactures, sales ... . We develop our own patent products and Ferei brand . Lastest design hot sale Underwater Scuba Diving and searching light W170A