The company is a state-owned enterprise belonging to Guangdong Nanhai Holding Group Co., Ltd. The company was founded in 1988 and listed on the Shenzhen Stock Exchange in October 2009 as one of the first Chinese GEM companies. The company is mainly engaged in R&D, production and sales of ventilation and air treatment systems. The main products are ventilation and air treatment systems. Corporate honors: Guangdong Province's strategic emerging industry backbone enterprise; National Torch High-tech Enterprise Certificate; Military Material Procurement and Mobilizing Supplier; China's Top 500 Quality Companies; Provincial Enterprise Technology Center, etc.