Changchun Donghe Optics & Electronics Co., Ltd was established in June 1992. The company located at No. 1906 04D Nanhu Road, Changchun. We have manufactured hundreds of encoders and the product LF\LMA\LEC\PKT\PAW are widely used on CNC,electric motor,lift,textile equipment and etc. Our products are passed the GB/T19001-2000,ISO9001:2000.Certificate number: OC0054Q1119CROS, registration number : CNAB020-Q. The company focus on the development of new products and we have the Professional R & D team. We will continue to develop high-tech encoders.Of course,we are professional for the customized encoders. We wish to establish good business relations with you. Changchun Donghe Optics & Electronics Co., Ltd will be your wise choice.