Nanyang INRE Optical instrument Co.,Ltd is set up in February,2004.It locates in the photoelectrical incubating area of the development zones for industries using high and new thchnology of Nanyang City,with registered capital of RMB 4 million and production area of 2400 square meters.The company has over 100 sets of advanced optical cold-working and testing apparatuses; specializes in the production of various optical prisms including roof prism.half-pentaprism.Paul prism,strip prism and right-angle prism.