Before shipment, Shenzhen Coolmay Technology Co., Ltd. will perform strict test on each programmable controllers to make sure they are flawless. During the production process, we strictly apply precise and professional crafts to ensure the high quality of the products. Equipped with professional and experienced QC team, the quality can be more guaranteed. Please rest assured that we will test products before shipment.

Coolmay is a leading brand in VFD/ Inverter industry. Coolmay focuses on providing a variety of HMI for customers. compact plc is adequate to widely apply for PLC HMI all in one for its PLC HMI all in one features. Made of imported driver chip and special electronic component, the power supply module is high-precision. Coolmay has professional R&D and production capabilities. With built-in EMI and filter, the power supply module makes little noise.

We are committed to honesty and integrity in all our business relationships. The trust of customers is what we pursue. We are willing to maintain a long-term supplying and cooperative relationship for the customers.