In 2003,TENGFEI GLASSES MANUFACTURE LTD got CE and FDA certification of reading glasses and sunglasses. The company is manufacturing and exporting Sunglasses,Reading Glasses,Optical Frame and some others kinds eyewear. TENGFEI GLASSES MANUFACTURER LTD started wholesale products in 2010.The website is as following: http://www.aliexpress.com/store/100178 So far,core Product of TENGFEI GLASSES MANUFACTURE LTD.: . SOS Reading Glasses,Card Reading Glasses; . Display Reading Glasses; . Clip-ons Polarized Sunglasses, Flip-ups Polarized Sunglasses; . Matrix Sunglasses.