BWT Group was established in 1990 and is a water treatment solutions provider integrating research and development, manufacturing, and sales. Its brand history can be traced back to Schriesheim, Germany, in 1823.

BWT products are applied in civilian, commercial, and industrial fields, including household drinking water, underfloor heating system water treatment, swimming pool water treatment, secondary water supply, and rainwater harvesting. In the field of biopharmaceutical water treatment, it is a trusted partner of many large pharmaceutical companies.

BWT Haier Smart Water Purification Factory Officially put into production on June 9th, 2023 which is China's only factory that meets HACCP standards.

The HACCP system is the strictest international standard for food safety certification. This factory is built according to this standard in every aspect, including material storage, material picking, production, and R&D laboratories, making it currently the only 'three-constant' factory in China with constant temperature, constant humidity, and constant cleanliness built to this standard.

The total designed production capacity reaches 2 million units.

As a century-old European water purification brand, BWT Group is capable of treating 98.5% of the world's water. Haier, as the world's leading home appliance brand, has always been committed to promoting the research and development of water purification technology. The launch of the BWT-Haier Smart Water Purification Factory is the result of a strong partnership between Haier and BWT Group.

The factory is located in the Sino-German Eco-Industrial Park in Qingdao, covering a planned area of 92 acres with a total investment of 460 million RMB. It mainly produces a full range of household water purification products, including pre-filters, central water softeners, central water purifiers, and under-sink water purifiers, with a total designed production capacity of 2 million units.