Shenzhen Kedida Electronics Co., Ltd. is a high-tech enterprise integrating research, manufacturing, marketing and engineering service of industrial automation products. The main products we are manufacturing are all types of pH meter, ORP meter and Controller. We would like to provide you with high quality products with reasonable price. We’d like also to do OEM for the sort products and other Electronic Components and parts. For more information, Please visit our web site by clicking here: http://*****