In December 2011, it obtained the Guangdong Province Production Safety Standardization Certification (Level 2).
In November 2011, it won the title of 4A-level enterprise of "Standardized Good Behavior" in Guangdong Province.
In February 2011, it won the Country Garden Group's "Excellent Supplier Award". It also received awards from well-known domestic and foreign companies such as Shanghai Mitsubishi Elevator and Midea Air Conditioning.
In September 2010, biomass boiler technology made a major breakthrough, and the first 40t/h circulating fluidized bed boiler burning biomass fuel was put into use.
From March 2009 to May 2010, 5 invention patents were obtained.
In December 2008, we obtained the D1 and D2 pressure vessel design qualification certificates.
In January 2008, we designed and produced biomass industrial boilers and achieved mass production that year.
In September 2007, it passed the certification review of "Foreign-invested Advanced Technology Enterprise".
In January 2007, mass production of oilfield crude oil heating furnaces began.
In September 2006, it obtained the "Class A Gas Injection Boiler Manufacturing License" issued by the State Administration of Quality Supervision.
In May 2006, 6 products won the title of "Industrial Boiler Energy-Saving Products".
In January 2006, it won the title of "Guangdong Province Famous Trademark".
In April 2005, it obtained the D1 and D2 pressure vessel manufacturing license.
In May 2004, it obtained the "Class B Boiler Manufacturing License" issued by the State Administration of Quality Supervision.
In August 2003, it was successfully listed on the Singapore Main Board.
In August 1999, the exclusively drafted industry standard CJ/T3086-1999 "Indirect Heating Fuel and Gas Central Hot Water Unit" was promulgated.
In 1999, it obtained ISO 9001 quality system certification from TUV Rheinland, Germany.
In 1998, Disen Industrial Park was built in Guangzhou Economic and Technological Development Zone.
From 1995 to 1997, 9 branches were established, more than 40 offices were established, and a complete sales and service network was established.
In August 1994, Desen became one of the earliest manufacturers in China to produce fuel gas environmentally friendly boilers.
In August 1993, Dison was officially born.