Founded in the United States in 1935, Meiyi (Shanghai) Air Conditioning Equipment Co., Ltd., one of the top ten brands of ground source heat pumps, is a professional global provider of energy-saving air conditioning products and overall solutions

Founded in 1935 in Minnesota, Mammoth provides a wide range of energy-saving air conditioning and heat pump products tailored to the needs of global users in different application fields with leading technology and professional quality.

In 1988, Mammoth officially entered the Chinese market as a commercial entity. In 2002, Mammoth invested 10 million US dollars as a sole proprietorship, selected the group's superior products with Meiyi China Group as the carrier, integrated them under the brand, and fully entered the Chinese central air-conditioning market. Meiyi (Shanghai) Air Conditioning Equipment Co., Ltd. was established in Shanghai, and established a production base in Anji County, Zhejiang Province, the first ecological county in China. As an American company with energy-saving air conditioning and heat pump production bases in China, it not only tailors all kinds of advanced energy-saving central air conditioning products for Chinese users, but also provides one-stop pre-sale, in-sale and after-sales services. With the increasing prominence of China's environmental governance, environmental protection and energy conservation have become an important direction for future development, the company has made use of its advanced technical advantages in compressors and systems to officially enter the field of district heating and industrial and agricultural refrigeration/heat, and has since formed three major business portfolios of green energy-saving air conditioning, heat pump heating, and industrial and agricultural refrigeration/heat.

Meiyi's central air conditioning products involve professional and general fields, including: water source/water ring/ground source heat pumps, air-cooled water-cooled cold water heat pump units, AHU, VAV, constant temperature and humidity machines, various commercial air conditioners, etc. The Group divides its brands by product category to ensure professionalism and technological leadership in the exclusive air-conditioning category. On top of the group's integrated platform, a dedicated R&D center has been set up in China, equipped with advanced R&D experimental equipment and experienced R&D experts to ensure that it is always relevant to the needs and leads professional development. And in the shortest possible time, to provide customized energy-saving air conditioning products and overall solutions for users with different needs around the world.