Shanghai Best Optical Instrument Co., Ltd. has been focusing on the optical instruments, optometry equipments and ophthalmic equipments since 2012 in Shanghai, China. We are committed to offer quality optometry/ophthalmic equipments and service at competitive price, we also provide good warranties on our products. Our main products include auto refractometer, lens meter, slit lamp, chart projector, phoropter, lab equipment and optical tools, our products get CE, ISO approved. Welcome to choose us to work with you by win-win cooperation.