Changzhou JG Reftech Co., Ltd. is a professional manufacturer of finned heat exchangers in China, with a professional R&D team of over 10 years of experience. The company mainly produces air coolers, condensers, dry coolers, gas coolers, oil coolers, immersion coolers, wind walls, pump sets, etc. We operate under the "HenRy" brand, including fluorine systems, ammonia systems, CO2 systems, and immersion oil cooling systems. The product has UL, EAC, and ISO9001 certifications. Focused on the finned heat exchanger industry for over 15 years. Provide supporting products for freezing refrigeration, quick freezing, free cooling systems, and insulation systems. No matter what system solution you use, please contact us. JG dares to create and provide you with high-quality solutions and services.