yangyang optical Co. is a professional manufacture of sunglasses, reading glasses and all kind of different optical frames, with advanced equipment and highly skilled staff, using high-quality material and fittings and high frequency welding technology, we have profuse and fashionable patterns and our products are mainly exported to USA, south America, Australia and other countries , With the concept of ��ontinuous progress beyond self��o serve clients, we invite clients and colleagues to work together and achieve mutual benefits</p>