• English
  • 中文

50MW Solar Energy Inverter solutions

share to:

With technological proficiency, we develop wide products array not only in power transformers and adaptors, but also in high frequency transformers, ballasts, regulators, switching power supplies and chargers for various purposes.


Innovate & Quality:

Engineering Dept. is mainly involved in product development, design, workmanship & manufacturing engineering as well as the provision of technical support to customers.

Environmental Department responsible for incoming material RoHS inspection, RoHS testing machine necessary for ensure the incoming & outgoing finished products keep in RoHS compliance condition.

The Life-expectancy tests laboratory is set up for conducting product reliability, stability & life expectancy tests which is essential for product analysis (Our lab has been officially recognized by UL since Q3 of 2003).

Modern Manufacturing:

Wah Hing employs the latest manufacturing facilities and techniques at all stages of the production process. Some machines are designed or developed in-house for the best fit toour specific needs.

Approvals & Certification:

In 1994, Wah Hing achieved certification to ISO9001. In 2002, our Dongguan main factory was also granted for the ISO14001 certificate. Wah Hing is proved to meet the highly demanding international quality standard, and to be a reliable supplier of high quality products.

With regards to safety standards, our products have obtained global approvals like UL/CUL, ETL, VDE, TUV/GS, EMC, FCC, CE , CCC, etc. New approvals are continuously adding to our files. We are also experienced to meet the requirements of other safety authorities.


100% Customer Satisfaction:

With more than 38 years of experience in all stage of product development, marketing, engineering design, production & quality control, Wah Hing received an award in 100% customer satisfaction.

Under our corporate spirit of “Pioneer、Innovate、Quality & Efficiency”, we honor to be the approved supplier in the following worldwide famous customerssa