Since the beginning, Shenzhen Coolmay Technology Co., Ltd. proceeds to provide the best quality plc machine from the market. Each bit offering excellent quality and reliability that's made us famous one of Chinese SMEs. Though as an SME, we provide a comprehensive product lineup with superior support.

Coolmay is one of Chinese most popular enterprises which manufactures and exports HMI. Coolmay focuses on providing a variety of plc power supply for customers. Coolmay plc machine goes through various compliance tests. They include constructional specifications and tests related to parts, electrical and mechanical tests, and production line tests. The strong heat resistance also makes our power supply module popular in the market. By introducing advanced machines, we has enough capability to produce PLC with quality assurance. our team's PLC HMI All in one allows people to control all the household appliances freely.

Keeping innovating, improving, and stable cooperating relationships are our business goal. Under this goal, we always focus on market trends and provides worthy products for customers.