"Diamond" registered in 1964, tracing back to 1948 Guangzhou Nanyang Electrical Factory, over 70 years in fan manufacturing. Debuted at Canton Fair, exported to 50+ countries. "Triangle" registered in 1966, launched China's first rice cooker, exported since 1970s. Both brands recognized as "Guangdong Time-honored Brand". Selected as one of SASAC's 100 classic brand cases in 2022.