NINGBO HOLY HVAC CO., LTD

Founded in 2006, we specialize in the R&D and manufacturing of HVAC core components, offering a full range of products including valve inserts  thermostats, TRVs (thermostatic radiator valves), balancing valves, and manifold systems. We provide end-to-end solutions from design and R&D to technical services.

With 18 years of deep cultivation in the European and Middle Eastern markets, our products are ISO9001 certified and have served over 20 countries including Germany, Poland, and Spain. We provide high-precision temperature control support for district heating, super high-rise buildings, and other scenarios, driving the global HVAC energy efficiency upgrade with "Made in China" intelligence.