Distribution transformer (left) and power transformer (right) for which HD Hyundai Electric signed a supply contract with a global big tech company. Provided by HD Hyundai Electric HD Hyundai Electric has signed a contract to supply power infrastructure worth over 1 trillion won with a global big tech company. HD Hyundai Electric announced on the 2nd that it has entered into a contract with a global big tech company for the long-term supply of distribution equipment and power equipment worth $721,293,753 (approximately 1,121.2 billion won).