Guangzhou Kashilu Optical Glasses Co., Ltd. is a regular private enterprise! Engaged in the wholesale of lenses and contact lenses, the agents are all German brands, and the products are all Korean! In terms of quality, it is an industrial company with all aspects in place! As far as I know, many cities have chain stores and retailers to cooperate with their companies! Therefore, the product is trustworthy. Carl Rishi, Coolpad, Caselow and many other retail stores sell them! General Manager of No.92 He Bin North Road, Conghua City, Guangzhou: Wojking Wu.