continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Round Bifocal, 1.49 Single Vision , 1.56 photochromic grey lens , Poly Lenses ,Bifocal Lenses . Any needs from you'll be paid out with our best notice! The product will supply to all over the world, such as Europe, America, Australia,Orlando, Colombia,Sweden, Netherlands.We have sufficient experience in producing products according to samples or drawings. We warmly welcome customers from home and abroad to visit our company, and to cooperate with us for a splendid future together.