The Great Wall power source Limited company is the Chinese ii Great Wall group subordinates controls stock the subsidiary company, already developed into many patents, take the high tech as the foundation power source profession Leading enterprise, is absorbed by national Ministry of Trade for the alternating current product standard technology return unit.

Company specialized production UPS UPS, purification exchange voltage-stabilized source, electric welding machine, manostat, pressure regulator, frequency conversion air conditioning reactor, transformer, invertor, battery charger, cocurrent voltage-stabilized source and so on more than 30 series, more than 500 varieties, the intelligence not wastes exchanges the pressure regulator is the company newest update product, has filled the domestic gap.