Since its establishment 20 years ago, Changqing has been committed to the in-depth development of thermal energy technology. It is one of the drafting units of national and industry standards for four products including gas water heaters, gas stoves, plug valves, and pressure reducing valves. In terms of scientific and technological innovation, we have achieved fruitful results: we have developed a series of advanced thermal technology products such as gas valves, pressure reducing valves, gas water heaters, gas wall-mounted boilers, gas ovens, and gas heaters, with more than 300 varieties and 2,000 varieties. Multiple specifications, with more than 100 independent intellectual property rights. Strong scientific research strength makes Changqing the first enterprise in the gas appliance industry to be ranked among the "Guangdong Province Intellectual Property Advantage Private Enterprises", "Guangdong Province Advanced Patent Enterprises" and "Guangdong Province Informatization Demonstration Unit".

Changqing’s strong product innovation capabilities and steady business style are recognized by the industry. "Evergreen" brand series of supporting products for burning appliances are selected by many well-known domestic burning appliance brands, and have been developed and provided for the 1990 Beijing Asian Games, the 1996 Shanghai East Asian Games and the 2001 Guangdong Ninth National Games, providing the heart of the torch - intelligent control. The valve has become the "behind-the-scenes hero" in the manufacture of torches for my country's large-scale sports games; the "Chuangerte" brand series of gas appliances also occupy the main brand position in the market, and are "China's Famous Brand Products" and "Guangdong Province Famous Trademarks". In 2000, in a comprehensive survey of nearly 200 water heater manufacturers nationwide by the former State Bureau of Technical Supervision, Changqing was rated as one of the five advanced "quality and efficiency" companies in the industry, entering the forefront of the domestic gas water heater industry.

Changqing is the first domestic gas appliance company to enter the international market. Since 1995, Evergreen Systems has developed the European and American international markets, especially in 1998, it officially produced an exclusively developed outdoor heater. In three years, it occupied more than 60% of the market share of outdoor heaters in the United States and became the leader in outdoor heaters in my country. Pioneers and leaders. As the company and its products have successively passed ISO9001 and international quality certifications such as CE, CSA, and ACA, and were officially awarded the certificate for gas appliances exported to Hong Kong in June 2002, Changqing's products have gained access to more and more places around the world. It is sold to more than 30 countries and regions in five continents including the United States, Canada, the United Kingdom, France, South Africa, Australia, and Iran, and has entered famous multinational supermarket chains such as Red Dip and Wal-Mart. It is deeply favored by merchants and users, and its annual export earnings are as high as More than 60 million US dollars.