Chongqing Yeasn science-technology co., Limited

Our company is main manufacturers and exporter in the field of producing lens testing instrument and we follow the priciple of customer first, quality best. we hope to build long term business relationship whit distributors who have good credibility.
our product are all kinds of lensmeter measuring diopter and prism degree of lens for optometry which are suiable for spectacles measuring detection department,spectacles processing factoried,spectacles sales departments. Pupillary distance-meter,trial frame, cornea contact lens detector and so on. We guarantee the quality of our products and have CE certification. we still carry on developing new products such as split lamb and so on