Shenzhen Coolmay Technology Co., Ltd was established in 2006 and located in Nanshan District, Shenzhen, China. With more than 14-year development, Coolmay has become a national high-tech enterprise, specializing in the development and manufacturing of own-brand “Coolmay” HMI PLC all-in-one, PLC, HMI and related modules. The company developed HMI+PLC all-in-one in 2010. The product integrated touch panel, digital inputs and outputs, analog inputs and outputs, communication and wifi functions. It has been gradually dominating the markets because of easy operation, flexible configuration and high cost performance. It is becoming the mainstream product of the automation control industry.