Since 1976, Helms-Man has been serving the world’s electronic and electric industries by designing and manufacturing world class certified adaptors, power transformers and switching mode power supplies for their global customers on ODM or OEM basis. Nowadays at our ISO 9001 – accredited factory in south China, we are producing 100K plus pieces of various standards of power supplies everyday to help our customers to distribute their products to the global market not only with the lowest possible cost but also in the shortest possible lead time.