Shanghai Jianongda Spectacles Machine Equipment Co. ,Ltd, entered into optical machinery and instrument industry since 1980, and established in 1998 in Shanghai and restructured in2001. In 2004, ISO9001 management system inducted, and CE certificates of all items confirmed. In 2007 , Shanghai Jianongda International Trade Co. , Ltd was founded, since then self-Ex&Im rights authorized. It specializes in developing, manufacturing, and supplying the complete series of optical equipments and instruments, including edger series, optometry series, ophthalmology series, lens processing series and tool series. Products are sold to over 100 countries and regions, 30 distributors in China, over 25 distributors from Asia, America, Europe, Australia, Africa and Middle East. Developing and building the trustful and reliable mutual-cooperation relationships with each distributors. One to three years warranty of all items. Strong and promissory services after sale. High quality products supplied only. Welcome to JIANONGDA, it&＃39;ll be very happy to work together.