Shandong Aonaer Refrigeration Science And Technology Co,Ltd. is a high-tech enterprise that integrates research and development, production and manufacturing, sales, installation and commissioning, and international trade of refrigeration equipment technology. Our main products include quick freezing machines, air coolers, evaporative cooling, single freezing equipment, cold storage refrigeration units, insulation boards, and cold storage doors. Our main business includes cold chain logistics investment, cold chain logistics project construction, and cold chain logistics operation.