![]()
Shenzhen Coolmay Technology Co., Ltd. (Coolmay), established in 2006 and located in Nanshan District, Shenzhen, China, is a recognized National High-tech Enterprise and a leading provider of automation control solutions. With over 20 years of dedicated development, Coolmay has built a strong reputation in the industrial automation sector.
We specialize in the R&D and manufacturing of our own-brand "Coolmay" product line, which includes the innovative HMI PLC All-in-One, PLCs, HMIs, and related servo solutions and modules. Our flagship HMI PLC All-in-One, launched in 2010, seamlessly integrates the touch panel with comprehensive digital and analog I/Os, communication capabilities, and WiFi functions. This product has gained significant market traction due to its ease of operation, flexible configuration, and superior cost-performance ratio, making it the preferred choice in the industry.
Coolmay is committed to R&D excellence, supported by a highly skilled hardware and software development team and an advanced, in-house manufacturing facility. Our stringent quality management has earned us CE, RoHS, and ISO9001 certifications, alongside numerous patents and intellectual property rights.
Today, Coolmay's products and services are exported to over 200 countries and regions, serving more than 40,000 customers worldwide in sectors like machinery manufacturing, packaging, textiles, water treatment, and energy.
Driven by the mission of “Making automation easier,” Coolmay is determined to be a global leader in the automation control industry.
Founded Shenzhen Coolmay Technology Co., Ltd
- 2006: Founded Shenzhen Coolmay Technology Co., Ltd., focusing on the PLC field
- 2010: Launched China's first HMI+PLC all-in-one machine and passed the ISO9001 quality management system certification
- 2011: Coolmay brand all-in-one machines captured 95% of the domestic market share
- 2016: Passed the National High-Tech Enterprise Certification
- 2019: Adhered to R&D and innovation, and the company passed the High-Tech Enterprise Certification again
- 2021: Won the "Shenzhen Advanced Manufacturing Intelligent Equipment Field Ox Award" with annual sales reaching 200 million yuan
- 2022: The M3S series PLC was fully launched and obtained the Shenzhen Specialized, Refined, Differentiated and Innovative Enterprise certification
- 2023: Pioneered the world's first drive-control all-in-one machine
- 2024: Stepper all-in-one machines, card-type PLCs, and L01 were fully launched
Coolmay offers full set of sales service including after-sale service, as well as online technical service.
OEM/ODM
Support OEM/ODM logo/boot image/pcb/membrane/packaging
Warranty
The Seller guarantees that the commodity hereof is made of original materials, brand new, unused, and complies with the quality and specifications stipulated in this document. The guarantee period shall be 18 (eighteen) months (twelve months for LCD screen and touch panel) starting from the date on which the commodity arrives at the destination.
After-sale Service
- Should the specifications be found not in conformity with the stipulations of the document, within seven days after the arrival of the goods at destination, with verifications by both parties, the Buyer can ask for replacement.
- In regard to quality, the Seller shall guarantee that if, within 12 (twelve) months from the date of arrival of the goods at destination, damages occur in the course of operation by reason of material quality, the Buyer shall return the damaged commodity to Seller to verify. The Seller shall be responsible for the immediate elimination of the defects, complete or partial replacement of the commodity, or devaluate the commodity according to the state of defects.
- Where necessary, the Buyer may eliminate the defects themselves at the Seller’s expenses.
Coolmay Team includes Reserch and Development (R&D), Production, Purchasing, Marketing, Sales, Finance, Cutomer Service Departments.
R&D team is a group of skilled and experienced hardware and software development talents, and constantly develops automation products that meet market demands and have strong industry competitiveness.
Production team has rigorous and orderly work scene, advanced technology and testing equipment which have laid the foundation of the high-quality Coolmay products. Complete management system, effective employee incentive measures and professional induction training operations make the production process more professional and efficient.





