Established in 1992, Linyi Yuying Optical Instrument Co., Ltd. is the sole manufacturer producing from the mould of fresnel lens to teaching projectors in our country. After hard research of years and innovation of technology, The quality of fresnel lens made by our factory is in the lead in our country.

In order to survive in the competitive market, we have finished the remould of super numercial control which helps the process pricision of machine tool ups to um level now. The technology of fresnel lens mould process has already reached the world advanced technology now. The improvements of various indexes have ensured the good quality and the stable output of fresnel lens, among those, the outstanding improvements are the glare free lens and refeltive lens.

Meanwhile we have developed the infrared fresnel lens and it will be installed to the plastics injector in 2004, by then we will be able to produce all kinds of infrared fresnel lens. the impovement of quality, stable output and the developing of new products has enabled us to get a big market proportion day by day we are the leaders of local counterparts now.