Our company, Guangzhou SINO International Trade Co., Ltd is located in Guangzhou city, Guangdong province, China. Guangzhou SINO International Trade Co. LTD is the subsidiary of the SINO group. SINO specializes in the development and manufacture of high-precisionmeasuring products since 2002. It has a series of the worlds most advanced equipment and has been certificated by IS09001, CE, RoHS, and the electrical safety standards for European authentication. The competitive products linear grating ruler and digital readout are famous in the world. With untiring efforts in development in this area since 1989, the best seller in China for the last ten years.SINO is the leading linear encoder & DRO manufacturer in China. Our main products included linear scales encoder, magnetic encoder, angle encoder, and DRO displays suitable for milling, lathe, EDM, grinding machine, boring machine and we keep developing and improving to move forward with very good quality.