"Original technology" is Yuanda's business philosophy. Since its establishment in 1988, Yuanda has never imitated the technology of the same industry, and has always rewritten human history with disruptive original technology.
The world's first float-type pressureless hot water boiler (1989)
The pressureless boiler won the China Invention Gold Medal (1990) and the Paris International Expo Invention Silver Medal (1991)< /p>
China’s first direct-fired non-electric air conditioner (1992)
The non-electric air conditioner won the Invention Gold Medal at the Geneva International Exposition (1994)
The world’s first refrigeration system One machine for heating, sanitary and hot water and three non-electric air conditioners (1994)
The world's largest non-electric air conditioner assembly line and test bench (since 1996)
The world's largest non-electric air conditioner sales volume (Since 1996)
The world’s first global networked monitoring system for central air conditioners (1996)
The world’s first non-electric air conditioner using plate heat exchangers (1997)
The world's first non-electric air conditioner that uses waste flue gas from power generation as energy (1999)
The world's first non-electric air conditioner to obtain European and American safety and quality certification (1999)
< p>The world's first non-electric air conditioner in the country (since 2001)The world's first multi-energy non-electric air conditioner with waste flue gas, waste hot water and hot air (2001)
China's first national standard for direct-fired non-electric air conditioners (2001)
China's private enterprises ranked first in paying taxes (2002) and had no loans for 18 years (since 1995)
China's most international One of the 16 competitive enterprises (2002)
The world's first zero-resistance variable frequency central air-conditioning transmission and distribution system (2003)
China Patent Ten Years Achievement Gold Award (1995), China Gold Award for Ozone Layer Protection (2004)
China's first company to implement "contract energy management" for central air conditioning (2005)
The world's only air conditioner indoor unit with electrostatic precipitator (2005)
p>The world's first lifetime vacuum pump-free non-electric air conditioner (2006)
The world's only air purifier with electrostatic precipitator and hypoxia monitoring (2006)
The world's only air purifier that can Heat recovery fresh air fan that filters 99% PM2.5 (2007)
The only building in the world that filters 99% PM2.5 and 100% fresh air (2007)
The only 90% factory-made building in China Architecture (2009)
The world’s fastest construction with the least waste (2009)
The world’s only mobile phone that can detect PM2.5 (2010)
The only one providing air-conditioning equipment and operations for all 250 venues of the Shanghai World Expo (2010)
United Nations “Champions of the Earth” Award (2011)