Founded in 1966, Guiyang Xintian OETECH Co., Ltd is a large-scale enterprise whichspecialized in high precision optical measuring instruments. With more than 50 years'experiences in product development and manufacturing, it integrates development,production and marketing of optical, machinery, electrical and computing technology togetherto provides customer excellent and advanced solutions. Guiyang Xintian covers an area ofover 700k square meters and has 400 employees, and established 8 subsidiaries includingGuiyang Xinhao OETECH Co.,Ltd,Guiyang Xinhong Casting Co.,Ltd and 2 Research&Development centers in Guiyang and ShanghaiGuiyang Xintian OETECH Co., Ltd is the largest optical instruments production base with thelongest history in China which belonging to the 1st-grade measurement servicesassociation.The 1st periscope on the nuclear-powered submarine, the 1st three-dimensionalcoordinate measurement machine and the 1st large-scale projector of China were all born inGuiyang Xintian. Now Guiyang Xintian is engaged in nearly 20 categories and more than 100models of precision optical measuring instruments such as Profile projectors,Toolmaker'smicroscope, Video measuring machine, Length measuring Machine, Angle instruments,physical-analytical instruments, linear scale, Digital Readout Box, etc. Our products arewidely used in the metrological and testing services of aerospace, machinery, electronic,petroleum, chemical, metallurgical industries . Our products are exported to over 40 countriesａnd regions worldwide such as USA,Germany,Japan, Iltaly, etc.