2026-07-09 00:00:00
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On July 8, 2026, a delegation from the Macau MARCC and the Macau MELCC visited DONGGUAN TECH FREE AIR CONDITIONING MFG., LTD. for an in-depth technical exchange.
Centering on the theme 'Digital Intelligence & Low-Carbon Efficiency: Greater Bay Area Smart Manufacturing for HVAC Equipment,' the visit reinforced regional collaboration and highlighted sustainable HVAC solutions for future projects across Macau and the Greater Bay Area (GBA).

TECH FREE management welcomed the delegation, emphasizing Macau's importance in the company's growth strategy. Representatives from MARCC and MELCC highly praised TECH FREE's technical expertise and quality standards. Both parties exchanged commemorative plaques to mark their commitment to driving high-quality HVAC development in the region.

During the technical presentations, TECH FREE showcased its latest R&D and low-carbon innovations:
VDI 6022 Hygiene Standard Exchange: VDI expert representatives were present at TECH FREE for the annual VDI certification audit and held an in-depth exchange with the delegation, detailing the VDI 6022 indoor air quality and HVAC hygiene requirements.
Recognized globally as a benchmark for HVAC hygiene compliance, VDI 6022 certification reflects TECH FREE’s global perspective and technical commitment to healthy indoor environments and superior system design.

ESG & Renewable Energy Storage: TECH FREE demonstrated its integrated Solar PV Energy Storage and Phase Change Thermal Cold Storage systems. By powering its own facility with renewable energy, TECH FREE optimizes operational costs while offering customers a verified low-carbon supply chain.
AI & Eco-Friendly Refrigerants: Highlights included AI-driven smart control systems and the adoption of next-generation low-GWP refrigerants.

The delegation toured TECH FREE's production workshops and HVAC Performance Testing Laboratory, viewing key equipment in action:
Production Workshops: The delegation observed TECH FREE’s efficient, vertically integrated manufacturing facilities and rigorous quality control processes firsthand.
Integrated Performance Laboratory: Visitors gained direct insight into TECH FREE’s strong scientific research capabilities in simulating on-site and extreme working conditions and accurately testing unit performance.
Key Product Highlights:
Dual System Controllable Heat Recovery Unit: The system efficiently recovers waste heat to deliver stable cooling and heating with precise temperature & humidity control, featuring outstanding energy-saving and eco-friendly performance.
MiMEP Integrated Air Handling Unit: the all-in-one design with factory pre-assembled pipes and wiring greatly accelerates on-site installation. Pre-planning on water ports, piping, power supply, control systems and maintenance space is needed for site matching. It features energy efficiency, low noise, high static pressure, precise control, high reliability, low vibration, strong corrosion resistance, good sealing, rain & dust proof, easy outdoor installation and nice appearance. Its plug-and-play design enables efficient deployment for large projects.

The visit closed with productive talks over future project cooperation. TECH FREE will continue to serve worldwide clients by supplying smart, low-carbon HVAC systems, bespoke solutions and comprehensive technical support.
