Beijing Capital International Airport is a large international airport in China with the most important geographical location, the largest scale, the most complete equipment, and the busiest transportation and production. During the selection process of dry-type transformers and other electrical equipment for the construction headquarters of the Capital International Airport, the SG10-400/10 and SG10-500/10 dry-type power transformers produced by Shanghai Zhiyou Company were favored by the bidding department for their safety, green, and environmentally friendly characteristics, and ultimately stood out in the fierce bidding.