Ritch Optical Co., Ltd. is a contract manufacturer of high-tech quality optical lenses based in Danyang City, Zhenjiang, China. Established with over 350 employees, the company specializes in the research and manufacturing of various optical lenses, including eyeglasses, plastic lenses such as CR39, 1.67 Plastic EMI Lens, and ASP HMC EMI Lens. Leveraging strong expertise, advanced equipment, and exquisite technology, Ritch Optical Co., Ltd. maintains a high reputation in the industry.