It’s the same thing. Hitachi is one of the world's top 500 companies. Hitachi Air Conditioning pioneered the turbo compressor in the 1980s, opening a new chapter in the air conditioning mileage for the world's refrigeration industry and becoming the leader in the industry's variable frequency multi-connected air conditioning system. Hisense Hitachi is Hitachi The world's largest production base for variable frequency multi-link air conditioning systems.

Brand core technology

Qingdao Hisense Hitachi Air Conditioning System Co., Ltd. was established on January 8, 2003, with a total investment of 200 million yuan in the first phase. It was jointly developed by Hisense Group and Hitachi Air Conditioning*** The large-scale joint venture established with the investment in Qingdao integrates commercial air-conditioning technology development, product manufacturing, marketing and sales, and user services. It is also the largest variable-frequency multi-split air-conditioning system production base of Hitachi Air Conditioning outside of Japan.

Hisense Hitachi's current flagship products are SET-FREE variable frequency multi-connected commercial air conditioning systems and SET-FREEmini variable frequency household central air conditioning systems, both of which adopt Hitachi's most advanced core technologies.

Reference for the above content: Baidu Encyclopedia-Qingdao Hisense Hitachi Air Conditioning System Co., Ltd.