The raw material used in plc system is related to the production technology which differentiates our products from others'. It cannot be unveiled here. The promise is that the source and quality of raw material are reliable. We have established long-run partnerships with several raw material suppliers. The controlling of quality of raw materials is as important as the controlling of quality of finished products.

Shenzhen Coolmay Technology Co., Ltd. is the preferred choice of manufacturing mini plc controller. We have received many compliments on the Chinese market. The hmi controller series is available in a wide range of types and specifications. The design of Coolmay plc system is innovative-oriented. Coolmay's PLC HMI All in one allows people to control all the household appliances freely. The product can eliminate water secondary pollution. Any residuary chlorine and heavy metal elements will be excluded out by its filter systems. All Coolmay's PLC enjoy a lifetime maintenance.

we works closely with clients to build solutions. Welcome to visit our factory!