About COLTEX
Qingdao COLTEX Refrigeration Environment Equipment Co., Ltd. is a manufacturer specializing in industrial enclosure air conditioners and cabinet cooling solutions.
We focus on providing reliable temperature control for applications in electric power, telecommunications, energy storage, data centers, and industrial automation, especially in environments that require long-term stable operation and dependable performance.
Our engineering team has extensive experience in industrial refrigeration and temperature control system design, with solutions applied in projects across Europe, North America, and Asia. We emphasize practical performance, system stability, and energy efficiency, rather than theoretical specifications or marketing claims.
COLTEX operates its own manufacturing facility with process-controlled production, skilled operators, and inspection at every key stage, including wiring, functional testing, and enclosure protection checks. Our products comply with ISO 9001 quality management requirements and CE standards, ensuring consistent quality and reliable delivery for industrial projects.
In addition to standard products, we provide OEM and ODM manufacturing services, supporting customized configurations, private labeling, and project-based production. We work closely with system integrators, cabinet manufacturers, and engineering partners to deliver practical, reliable, and application-focused cooling solutions.

