Today with the rapid advancement of global scientific, technological, and industrial revolutions.it is inevitable for manufacturing to transform and upgrade. which requires increasingly higher machining accuracy in industrial production. leading to the wide application of grating scales. Guangdong Grating and Digital Display TechinolunrCo.ltd. as a technology company specializing in the research, development, and manufacturing of linear grating scales and digital displays with its advanced high-precision grating technology. leads the industry and attracts much attention being sharp at R & D and technological innovationj