If required by customers, Shenzhen Coolmay Technology Co., Ltd. can provide certificate of origin for plc modem module . Since founded, we have successfully gained the certificates to show the validity of the product. Certificates of origin makes our products more reliable than other products domestically and internationally.

Doing well in R&D and production of HMI, Coolmay has gained a high reputation at home and oversea market. Coolmay focuses on providing a variety of HMI for customers. Coolmay programmable control systems is manufactured by taking an array of regulatory compliance into considerations, including electrical safety, electromagnetic compatibility (EMC) and the chemical composition of materials. we's PLC HMI All in one allows people to control all the household appliances freely. The bloom of we also benefits from the service of our professional staff. The PLC controller supports locating and floating point instructions at the same time.

We work hard to conduct sustainability through some priority areas. They will be addressed through multiple dimensions: innovation, operational excellence, and new collaborations with our business partners.