Is Shuanglu air conditioner a fixed frequency air conditioner?

No, Shanghai Shuanglu official website shows that Shuanglu air conditioners have not only fixed frequency air conditioners, but also variable frequency air conditioners. Shanghai Shuanglu Electric Appliance Co., Ltd. was established on 0 18, 2004, with its registered place at No.658 Xin Ming Road, Maogang Industrial Park, Songjiang District, Shanghai, and its legal representative is Zhang Suying. The business scope includes research and development, production and processing, wholesale and retail and after-sales service of refrigeration equipment, household appliances, kitchen utensils, electronic products and spare parts, industrial product design, self-owned house leasing and property management, and import and export of goods and technologies.