WHO WE ARE ?
Henan Cold King Refrigeration Equipment Co., Ltd. With 15 years development, our company owned solid technical strength and strong design and R&D ability. The industry has a complete intellectual property management certification system and has passed the IATF1 6949 international automotive industry quality management system certification. Factory-direct OEM 12v air conditioner, rv air conditioner, and energy-efficient diesel heaters. CE/ISO certified. 10+ years in thermal solutions for trucks, buses, and fleets. Free quote now!
Trusted by 500+ global clients. ISO 9001 certified factory specializing in rv air conditioner, 12v air conditioner, and diesel heaters. Engineering excellence, fast delivery. Whether it is now or in the future, the company will wholeheartedly provide our customers with high-quality products, professional product technology and high-quality after-sales service, never stop exploring and developing, and develop simultaneously with domestic and international companies in China.



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Our Core Strengths

Advanced Technology
Utilizing the latest technology, our systems offer cutting-edge solutions for cooling and heating needs.

Innovative Design
Our products are designed with both functionality and aesthetics in mind, providing efficient performance and sleek looks.

Proven Reliability
Our products are built to withstand tough conditions, providing consistent performance in every situation.

Customer-Centric Solutions
We prioritize customer needs, offering tailored solutions and exceptional after-sales support.
Quality Control Process
our rigorous quality control process ensures every product meets the highest industry standards. From raw material inspection to final performance testing, each unit undergoes systematic verification by our certified quality team. We implement advanced detection technologies, including precision measurement tools and automated testing systems, to guarantee consistent reliability. Our multi-stage QC protocol covers: Material Screening – Strict supplier audits & batch testing. In-Process Checks – Real-time monitoring during production. Final Validation – Full functional tests under simulated operating conditions. Backed by ISO 9001-certified procedures and continuous improvement initiatives, we turn quality assurance into your competitive advantage.
Quality Control Process