Longwei Category

Linear DC Power Supply Category
Linear DC Power Supply
Switching DC Power Supply Category
Switch DC Power Supply
Programmable DC Power Supply Category
Programmable DC Power Supply
SMPS LED Driver Category
Driver Power
Oscilloscope Category
Signal Generator Category
Singal Gernerator
Safety Tester Category
Safety Tester
Soldering Tools Category
Soldering Tools

More Laboratory Tester

Why Chose Us

26 Years of Experience

We focus on developing power supply and electrical instrument since 1996, over 24 years of experience, a reliable OEM & ODM manufacturer​

Over 1000 Partners

Over 1000 clients used our instrument on production and the number still growing. Over 200 trading companies choose us to build up long term relationships for their business.

Customization Available

Can't find a suitable power supply for your business on the market? You should try customization. Parameter custom made is acceptable, contact us for more details.

Longwei Instruments (HK) Co., Limited

About Longwei

Hong Kong Longwei Instrument Co., Ltd. was founded in 1996, which is a research and development, production, and sales of scientific and technological enterprises. Specializing in the production of the oscilloscope, DC power supply, switching power supply, variable frequency power supply, LCR digital bridge, audio frequency sweeper, signal generator, millivolt meter, wire tester, leakage tester, pressure meter, etc. 120 kinds of measurement teaching Instrument and industrial equipment. In recent years, with the continuous improvement of the visibility of Longwei brand instruments and meters, Longwei’s production scale has continued to expand, Longwei brand has been more and more praised and recognized by users at home and abroad. The company has a professional technical R & D team and management personnel, with excellent product design capabilities, complete process control, and testing methods, to provide users with high-quality electronic measuring instruments.

Longwei factory front gate view

Seeking Distribute Agent Cooperation

We guarantee you

  • Stable and reliable quality
  • Low cost and reasonable profit
  • Technical support and customized service
  • Marketing data support
  • Multiple agency model
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