TengFei International Co., Ltd. (Shenzhen Shengjiaying Technology Co., Ltd) is a high-tech enterprise, which specializes in the research, development, production and marketing of battery, charger, adaptor for laptop, digital camera, camcorder, PDA, high-end game player, etc; and all kinds of camera accessories such as UV filter, tripod, lens hood, lens cap, flash diffusers, eyepiece, camera case, neck strap, hand strap grip, lcd protector, lens case, photography tent, cleaning kits, digital adapter ring, advance hot shoe, wireless remote controllor, remote switch, remote shutter cords etc.