Quality Control
DARKO is dedicated to the innovation, R&D, and production of advanced industrial chillers and air compressor equipment, committed to delivering professional chiller solutions for clients. With multiple modern factories featuring comprehensive R&D centers, advanced chiller and air compressor production lines, and automated testing facilities, the company holds ISO 9001, ISO 14001, ISO 45001, CE certification, GB/T29490 intellectual property management system certification, and general machinery energy efficiency certification. Equipped with cutting-edge manufacturing and testing infrastructure including sheet metal production lines, digital bending machines, high-speed laser cutters, complete fin production lines, and variable frequency pressure testing labs, DARKO ensures full-process quality assurance from R&D to production and final delivery.
Quality
Training
All engineers and workers involved in production undergo mandatory monthly quality training to ensure excellence throughout manufacturing and testing processes.
Raw Material Quality Control
All raw materials and components undergo strict inspection before warehouse acceptance. Substandard parts are systematically returned to suppliers and prohibited from production use.
Production Quality Control
Multi-layered quality assurance is enforced through self-inspection, peer-inspection, specialized quality checks, and laboratory performance testing during manufacturing.
Pre-Delivery Quality Verification
prior to shipment, all products complete:
Minimum 3 power-on operation tests to verify precision parameters and operational stability
Comprehensive cleaning procedures
Protective packaging with plastic film and reinforced wooden crates
to ensure secure transportation and client-ready performance.
