Company Profiles

Product catalog summary

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].

Catalog excerpts

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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Electrical Test Project Development Product Design Engineers’ Meeting

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Injection Workshop Molding Room Auto Packing Room

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

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Radiation Detection Room Control Room

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

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Charging Solutions Consumer Electronics

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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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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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