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  2. Dongguan Wahhing Electrical Appliance Co., Ltd.
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Company Profiles

Company Profiles
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Company Profiles

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About Wah Hing
Wah Hing, established in 1980 in Hong Kong, specializes in the R&D and manufacturing of PCB design and assembly, transformers, reactors, SMPS, and consumer electronics. Their products are used in various sectors including electrical appliances, toys, IT products, medical equipment, and renewable energy solutions. The head office is located in Kwun Tong, Hong Kong, with a significant factory presence in Dongguan, China, covering 110,000 square meters and employing over 1,500 staff.
Research and Development
The R&D department focuses on electrical testing, product design, and PCB testing, ensuring innovative and high-quality product development.
Workshops
Wah Hing's workshops include SMT, injection, molding, and assembly lines, equipped with advanced machinery for efficient production processes.
EMC Test Lab
The lab is equipped for radiation detection and EMI conduction tests, ensuring compliance with electromagnetic compatibility standards.
Quality Management
Quality management includes rigorous testing such as burn-in, performance, life, and RoHS tests to ensure product reliability and safety.
Solutions
  • PCB Design and Assembly: Offers solutions for various circuit boards including speaker, swimming pool, traffic signal, sewing machine, LED driver, and TV power circuit boards.
  • Transformers and Reactors: Provides a range of transformers and reactors, including dry type, oil-immersed, and load regulating types, suitable for high/low voltage applications.
  • Charging Solutions: Includes products like 2-in-1 sweeper robot stations, battery chargers, and switching power supplies.
  • Consumer Electronics: Offers a variety of chargers, wireless devices, and audio products such as wall chargers, wireless chargers, TWS headsets, and car chargers.
Contact Information
For inquiries, contact via phone at +86-16620765397 or email at [email protected].
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Company Profiles-2

About WAH HING Wah Hing was founded in 1980 in Hong Kong. Over the past 40 years, Wah Hing has emphasized on the R&D and manufacture of PCB design and assembly, transformers and reactors, SMPS, consumer electronics, etc. Our products are widely utilized on electrical appliances, toys, IT products, medical test equipment, and solar energy, wind energy. Our head office is located at central area of Kwun Tong with the floor space of 1,400 square meter. Wah Hing has set up a wholly owned subsidiary Dongguan Wahhing Electrical Appliance Co., Ltd and Dongguan Huaxin Electronics Co., Ltd in Qingxi town,...

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Company Profiles-3

Electrical Test Project Development Product Design Engineers’ Meeting

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Company Profiles-4

Injection Workshop Molding Room Auto Packing Room

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Company Profiles-5

Silicon Steel Sheet Transverse Shear Line Winding Production Line Foil Type Winding Line Quality Test Room

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Company Profiles-6

Radiation Detection Room Control Room

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Company Profiles-7

Quality Management Test Room Burn-in Test RoHS Test Performance Test Life Test

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Company Profiles-10

Charging Solutions Consumer Electronics

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Company Profiles-12

Speaker circuit board Sewing machine circuit board Swimming Pool circuit board Traffic signal control circuit board LED Driver Traffic circuit board TV Power circuit board

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Company Profiles-14

LV Single phase transformer Less than 1.5kv LV Three phase transformer Less than 1.5kv LV Single phase reactor Less than 1.5kv S11/13-M series 10-35kV 50~31500kVA oil immersed transformer SGB series（ H grade） 10-35kV 50~31500kVA unencapsulated dry type transformer YB series 10kV 50~31500kVA preinstalled substation（Euro-style) ZGS11 series 10kV 50~31500kVA box type transformer(American style) LV Three phase reactor Less than 1.5kv SZ11 series 10-35kV 50~31500kVA load regulating type transformer High/Low voltage complete sets o

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Company Profiles-15

Charging Solutions

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Company Profiles-16

2 in 1 Sweeper robot Cleanning&Charging Station Switching Power Supply (desktop) Battery Charger&Maintainer Switching Power Supply (Plug-in)

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Company Profiles-17

Consumer Electronics

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Company Profiles-18

3 in 1 Bluetooth&FM Transmit Car Charger Wireless Charger( Desktop) Wireless Charger (vertical) Power Bank

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+++foj_catalog_stand_metaTitle+++ All Dongguan Wahhing Electrical Appliance Co., Ltd. catalogs and technical brochures

  1. Power Conversion System-PCS
    Power Conversion System-PCS

    3  +++fo_common_label_pages+++ Pages

  2. Power Transformers-lead wire, pin, toroidal
    Power Transformers-lead wire, pin, toroidal

    16  +++fo_common_label_pages+++ Pages

  3. Encapsulated Transformers-EI66*23mm Series
    Encapsulated Transformers-EI66*23mm Series

    1  +++fo_common_label_page+++ Page

  4. Encapsulated Transformers-EI60*21mm Series
    Encapsulated Transformers-EI60*21mm Series

    1  +++fo_common_label_page+++ Page

  5. Encapsulated Transformers-EI54*18.8mm Series
    Encapsulated Transformers-EI54*18.8mm Series

    1  +++fo_common_label_page+++ Page

  6. Encapsulated Transformers-EI48*16.8mm Series
    Encapsulated Transformers-EI48*16.8mm Series

    1  +++fo_common_label_page+++ Page

  7. Encapsulated Transformers-EI42*14.8mm Series
    Encapsulated Transformers-EI42*14.8mm Series

    1  +++fo_common_label_page+++ Page

  8. Encapsulated Transformers-EI38*13.6mm Series
    Encapsulated Transformers-EI38*13.6mm Series

    1  +++fo_common_label_page+++ Page

  9. Encapsulated Transformers-EI30*18mm Series
    Encapsulated Transformers-EI30*18mm Series

    1  +++fo_common_label_page+++ Page

  10. Encapsulated Transformers-EI30*15.5mm Series
    Encapsulated Transformers-EI30*15.5mm Series

    1  +++fo_common_label_page+++ Page

  11. Encapsulated Transformers-EI30*12.5mm Series
    Encapsulated Transformers-EI30*12.5mm Series

    1  +++fo_common_label_page+++ Page

  12. Encapsulated Transformers-EI30*10.5mm Series
    Encapsulated Transformers-EI30*10.5mm Series

    1  +++fo_common_label_page+++ Page

  13. Encapsulated Transformers-EI30*5mm Series
    Encapsulated Transformers-EI30*5mm Series

    1  +++fo_common_label_page+++ Page

  14. Encapsulated Transformers-EE20*10mm Series
    Encapsulated Transformers-EE20*10mm Series

    1  +++fo_common_label_page+++ Page

  15. Encapsulated Transformers-EE20*6mm Series
    Encapsulated Transformers-EE20*6mm Series

    1  +++fo_common_label_page+++ Page

  16. Encapsulated Transformers-SMP Module Series 3.3W & 5W
    Encapsulated Transformers-SMP Module Series 3.3W & 5W

    1  +++fo_common_label_page+++ Page

  17. Transformer and Reactor
    Transformer and Reactor

    33  +++fo_common_label_pages+++ Pages

  18. SMPS-65W Series Desktop Type
    SMPS-65W Series Desktop Type

    1  +++fo_common_label_page+++ Page

  19. SMPS-60W Series Desktop Type
    SMPS-60W Series Desktop Type

    1  +++fo_common_label_page+++ Page

  20. SMPS-20W Series Desktop Type
    SMPS-20W Series Desktop Type

    1  +++fo_common_label_page+++ Page

  21. SMPS-10W Series Desktop Type
    SMPS-10W Series Desktop Type

    1  +++fo_common_label_page+++ Page

  22. SMPS-50W Series Direct Plug-in Type EFS050
    SMPS-50W Series Direct Plug-in Type EFS050

    1  +++fo_common_label_page+++ Page

  23. SMPS-36W Series Direct Plug-in Type SA16
    SMPS-36W Series Direct Plug-in Type SA16

    1  +++fo_common_label_page+++ Page

  24. SMPS-36W Series Direct Plug-in Type EFS/A036
    SMPS-36W Series Direct Plug-in Type EFS/A036

    1  +++fo_common_label_page+++ Page

  25. SMPS-24W Series Direct Plug-in Type EFS024
    SMPS-24W Series Direct Plug-in Type EFS024

    1  +++fo_common_label_page+++ Page

  26. SMPS-20W Series Direct Plug-in Type
    SMPS-20W Series Direct Plug-in Type

    1  +++fo_common_label_page+++ Page

  27. SMPS-18W Series Direct Plug-in Type EFS018
    SMPS-18W Series Direct Plug-in Type EFS018

    1  +++fo_common_label_page+++ Page

  28. SMPS-12W Series Direct Plug-in Type
    SMPS-12W Series Direct Plug-in Type

    4  +++fo_common_label_pages+++ Pages

  29. SMPS-12W Series (Slim Type) With Interchangeable Plugs
    SMPS-12W Series (Slim Type) With Interchangeable Plugs

    1  +++fo_common_label_page+++ Page

  30. SMPS-9W Series Direct Plug-in Type EFS009
    SMPS-9W Series Direct Plug-in Type EFS009

    1  +++fo_common_label_page+++ Page

  31. SMPS-9W Series Direct Plug-in Type EFA009
    SMPS-9W Series Direct Plug-in Type EFA009

    1  +++fo_common_label_page+++ Page

  32. SMPS-7.5W series Direct Plug-in Type
    SMPS-7.5W series Direct Plug-in Type

    1  +++fo_common_label_page+++ Page

  33. SMPS-7.5W Series With Interchangeable Plugs
    SMPS-7.5W Series With Interchangeable Plugs

    1  +++fo_common_label_page+++ Page

  34. SMPS-6W Series Direct Plug-in Type EFS006
    SMPS-6W Series Direct Plug-in Type EFS006

    1  +++fo_common_label_page+++ Page

  35. SMPS-5W Series Direct Plug-in Type SA11
    SMPS-5W Series Direct Plug-in Type SA11

    1  +++fo_common_label_page+++ Page

  36. SMPS-5W Series Direct Plug-in Type EFS005
    SMPS-5W Series Direct Plug-in Type EFS005

    1  +++fo_common_label_page+++ Page

  37. SMPS-Direct Plug-in Type 4W series
    SMPS-Direct Plug-in Type 4W series

    1  +++fo_common_label_page+++ Page

+++fo_prices_excludedTaxes_globalMessage+++ *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.