We, Helms-Man, have been serving the world's electronic sector since 1976 by designing and manufacturing global certified power supplies, transformers and inverters as well as related plastic and metal parts for customers all over the world on ODM or OEM basis. 
Every our customer, through our powerful Visual Manufacturing MRP system, is able to enjoy numerous value added benefits including speedy concept development, engineering analysis & design verification, fast-track modelling and prototyping , safety and EMC approbation, JIT manufacturing, continuous cost optimization, throughput consistency control, and on-time logistic support.  
Today our ISO9000 & ISO13485 compliance facilities in China and Vietnam with a monthly capacity over 1.6 million units of the following four product categories 
 (1)    Smart Home & ITAV Appliance Adaptors & Chargers
 (2)    Medical Adaptors & Chargers
 (3)    Toy & Hobby Adaptors & Chargers
 (4)    DC/DC Inverters & DC/AC Converters

with CB, CE, UKCA, cULus, cETLus, CCC, CQC, PSE, PSB, RCM, BIS.,etc.certifications is ready at all times to help our customers to distribute their products to the global market at the lowest possible cost and within the shortest possible lead time.

Both OEM and ODM customers are welcome to contact us through the Contact Us page or at marketing@helmsman.com.hk to inquire about quotes , data specifications or test samples.