In March 2003, the Haydn wall-hung boiler brand was born, and wall-hung boiler products were developed and launched.
In March 2004, Haydn wall-mounted boilers participated in the world's largest ISH international HVAC exhibition for the first time and entered the international sales market.
In August 2008, he joined the China Gas Household Heating Association and served as one of the initiators as a governing unit of the association.
In January 2009, the wireless remote control and two-way communication wall-mounted boiler was first launched on the market, and its control technology strength leads the development of the industry.
Selected as "Top Ten Most Influential Brands" and "Top Ten Most Powerful National Brands" in February 2010.
In May 2010, the variable frequency wall-mounted boiler was the first to be launched on the market, becoming the only domestic company with a patent for frequency conversion technology.
In June 2010, the wall-hung boiler products passed the EU CE certification. The products comply with European standards and are exported to more than 30 countries and regions in Europe.
In July 2010, the national standard GB25034-2010 for gas wall-mounted boilers was promulgated and implemented. Haydn Company is the unit responsible for drafting the national standard.
In November 2010, the China Gas Heating Committee was established, and the company was recommended as the deputy chairman, establishing its leading position in the industry.
In July 2011, the frequency conversion technology promotion activity once again set off a climax, and it was the first in the industry to advocate the activity of sending service cars.
In September 2011, the standard for condensing wall-hung boilers was approved by the Ministry of Housing and Urban-Rural Development, with the company as the main drafting unit.
In October 2011, it was rated as one of the top ten outstanding products by the China Real Estate Association.
After passing the review of the Ministry of Housing and Urban-Rural Development in June 2012, Haydn wall-hung boilers became the first products in the industry to pass the Kangju certification.