Delta has been selected for several of the 2020 Dow Jones Sustainability Indices (DJSI). Delta was named to DJSI World for the tenth consecutive year, as well as industry leader in electronic equipment, instruments, and components for the fifth time in three consecutive years, and also selected for the DJSI Emerging Markets for the eighth consecutive year. In 2020, Delta continues to be highly competitive in the DJSI’s evaluations of the world’s leading companies. 

Mr. Jesse Chou, Chief Sustainability Officer of Delta, said that Delta actively implements its corporate mission: "To provide innovative, clean, and energy-efficient solutions for a better tomorrow." Delta invests around 8% of its total revenue every year in innovative research and development (R&D), continues to develop more eco-friendly products and solutions based on the core technology of power electronics, and strives to conserve energy and reduce carbon emissions. 

Delta’s various efforts have received high recognition by the outside world. In the latest DJSI evaluation, Delta obtained the highest scores for seven items in the global electronic equipment industry, including four full scores in "Innovation Management," "Environmental Reports," "Social Reports," and "Climate Strategy" as well as the highest scores in "Code of Conduct", "Product Responsibility," and "Human Rights Management."

Delta was named to DJSI World for the tenth consecutive year, as well as industry leader in electronic equipment, instruments, and components for the fifth time in three consecutive years