About Coltex Co., Ltd
Founded in 2021, with its manufacturing base in Qingdao, China, Coltex Co., Ltd is a trusted manufacturer of enclosure air conditioning and thermal management solutions.
Coltex provides reliable temperature control for indoor or outdoor applications in the fields of industrial automation, power grid, telecommunications, energy storage & data centers.
2021
Company Incorporated
320+
Customers Served
180+
Projects Involved
9
Product Categories
01 — Company
Founded in 2021, built for enclosure cooling
Coltex Co., Ltd is a manufacturer of enclosure air conditioning and thermal management solutions, with its production base in Qingdao, China.
- Base
Qingdao manufacturing base
Assembly, testing and warehousing in one 12 000 m² facility.
- Reach
42 export markets
Serving OEMs and utilities across the Middle East, Southeast Asia, Europe and the Americas.
- Team
In-house engineering team
Mechanical, thermal and controls engineers working on the same floor as production.
02 — Capabilities
In-house design, tooling and assembly
From coil design to final pressure test, every stage happens under one roof. That is what lets us commit to a lead time instead of estimating one.
-
Thermal design and sizing
Load calculations from your enclosure dimensions, internal losses and ambient profile.
-
Sheet metal and coating
Laser cutting, bending and powder coating in-house, including stainless grades.
-
Assembly and run test
Refrigerant charging, leak test and a full run-in under load before packing.
-
OEM and ODM programmes
Private label, custom controllers and project-specific documentation.
03 — Quality & certification
Tested per unit, documented per project
Each unit is pressure-tested and run-tested before packing. Certificates travel with the shipment, not in a separate email thread.
-
01 — Incoming inspection
Compressors, coils and controllers are checked against specification on arrival.
-
02 — In-process control
Brazing, charging and wiring each have a signed inspection step.
-
03 — Final test and certificate
Pressure hold, decay rate, run current and setpoint accuracy recorded per unit.
Work with our engineering team
Send your enclosure drawing and heat load — we will size the unit and confirm the lead time.