It is an enterprise dedicated to the research and development, production, sales and service of energy-saving and healthy electrical appliances such as air energy household hot water units, central air conditioners, and dryers

Jiangsu Sigma Electric Appliance Co., Ltd. is a large-scale Sino-German cooperative high-tech enterprise, committed to the research and development and production of energy-saving and healthy electrical appliances such as air energy household hot water units, air energy commercial heat pump units, central air conditioning, trigeneration, fresh air units, heat pump industrial drying equipment, water, ground source heat pumps, rooftop air-cooled air conditioning (heat pump) units, constant temperature and humidity units, computer room air conditioners, tumble dryers and other energy-saving and healthy electrical appliances.

Over the years, SIGMA has worked closely with German scientific research institutions, and at the same time, as the teaching and experimental base of many domestic universities, it has carried out scientific and technological innovation, product design, research and development, and production on the basis of digesting and absorbing European technology, and has built an internationally advanced and domestic first-class central air conditioning, air energy, and dryer industry innovation system.

For more than 20 years, SIGMA has adhered to the road of brand development, with the goal of "being a century-old enterprise", adhering to the core values of "teamwork, quality, integrity, passion, innovation, service and sharing"; With the mission of "letting Chinese enjoy European and American life", adhering to the mission of "fully advocating the new concept of Chinese consumption", and always under the guidance of the concept of "customer first, employee satisfaction, and shareholder development", we are committed to building the most respected brand in the energy-saving and healthy electrical appliance industry, and achieving the brand value of "SIGMA" exceeding 10 billion yuan in the next 5 years.

SIGMA insists on promoting the concept of energy conservation and health around the world, calling on global consumers to choose a low-carbon life and make the world and the future better.