Dong Guan Hong Cheng Optical Products CO., LTD mainly engaged in optical products research and development, manufacturing. our company has passed ISO9001:2008 quality management system certification, in work to strengthen staff awareness of learning and enterprising spirit, and strive to improve the quality of the product and service quality, make the management more standardized, scientific, institutionalized. we produce the following products: encoding disk,zoom lens, grating ruler and DRO, stage micrometer, Standard Glass Scale, Machine Vision Calibration Target, Standard Glass scale , spherical glass lens, optical prism, Glass Reticle, Optical resolution test board, Workbench Glass, Optical Flat, Film ruler, etc. , Hong Cheng optical always adhere to the principle of "pursuit of quality, honesty and realism". Except the pursuit of business development, at the same time , we pay much attention to enterprise management and after -sale services. And with good quality and service we have won many clients of home and abroad.Our company is China metrology institute standard glass scale cooperation enterprises, executive director of the association of Dong Guan measurement, and successively obtain the China metrology institute, south China metrology institute, and Chang Chun Institute of optics and fine Mechanics etc. a number of cooperation organization. Our company always keep "quality first, customer first, take honestly as this". In the end to the "product formation series , famous brand product , enterprise collectivization"of the road.