Delta Electronics specializes in power electronics, automation, and infrastructure. Delta products include module power supplies with an efficiency over 90% and telecom power with up to 98%, fans and cooling systems for electronics, articulated robots, and other products. The company is headquartered in Taiwan and has R&D centers in China, Europe, Japan, Singapore, Thailand, and the United States. The company invests in R&D from 6% to 7% of annual revenues. Macro Group is the official distributor of Delta products in Russia.