Dongan offers a full-line of cataloged standard transformers that are inventoried at our factory and warehouses in the United States. Dongan also manufactures custom-designed transformers that can be shipped within 10 working days under most circumstances.Dongan also has expedited service available as soon as three-day delivery even for a unit that has not been previously designed (subject to plant loading). Most products are UL and CSA listed and Dongan also has CE approved products that are licensed through TUV Rhineland. Dongam also meets NEMA, IEEE and ANSI standards.
