Wenzhou Zhengyuan Electronic Co., Ltd.
Founded in 2008 and now 18 years strong, Wenzhou Zhengyuan Electronics Co., Ltd. (brand CHINYOO) is a high-tech enterprise focused on the R&D, production and sales of electrical measuring tools — from digital multimeters to high-precision smart voltage testers. With specialized production, automated manufacturing, rigorous quality control and continuous innovation, we have become a leading voltage tester and multimeter manufacturer, exporting across Europe, Southeast Asia, South America and other global markets.
- +86 178 1680 0511
- chingycai@chinyoo.com
- Building 6, No.1 Hongjin Road,
Daizhai Village, Tengqiao Town
Wenzhou, Zhejiang,, Lucheng District
China
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Product
Digital Voltage Tester
MVD765 Series
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Wenzhou Zhengyuan Electronic Co., Ltd.
The MVD765 Series offers models MVD765A, MVD765B, MVD765C, and MVD765D, designed for voltage detection up to 220V AC with features such as digital display and sound and light alert.
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Product
Car Electric Pen
HW307
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Wenzhou Zhengyuan Electronic Co., Ltd.
Automotive electrical diagnostics on 12V/24V systems
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Product
Car Electric Pen
HW310
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Wenzhou Zhengyuan Electronic Co., Ltd.
Automotive electrical diagnostics on 12V/24V systems.
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Product
Digital Multimeter
DM102
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring.
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Product
Digital Multimeter
MY64
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring.
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Product
Digital Voltage Tester
1881
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Wenzhou Zhengyuan Electronic Co., Ltd.
Digital live-wire voltage reading.
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Product
Voltage Tester
1808
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Wenzhou Zhengyuan Electronic Co., Ltd.
Live and neutral wire identification
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Product
Voltage Tester
EW002
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Wenzhou Zhengyuan Electronic Co., Ltd.
Live and neutral wire identification.
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Product
Digital Multimeter
DT9205A
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring.
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Product
Car Electric Pen
HW65 Series
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Wenzhou Zhengyuan Electronic Co., Ltd.
The HW65 Series is designed for automotive electrical testing on 12V and 24V systems. It features a translucent purple barrel, black pointed probe, alligator clip, and sharp probe tip, making it ideal for tracing live and earth circuits.
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Product
Multi-Function Portable Induction Test Voltage Tool
WILK301
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Wenzhou Zhengyuan Electronic Co., Ltd.
Fast live/neutral wire identification with sound and light indication for safe electrical work. (Model WILK301)
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Product
Digital Multimeter
DT182
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring
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Product
Pipe Blockage Detector
Pipe-Blockage
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Wenzhou Zhengyuan Electronic Co., Ltd.
Pipe blockage detector for locating blockages in drainage and water pipes.
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Product
Digital Clamp Meter
ST201
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Wenzhou Zhengyuan Electronic Co., Ltd.
AC current measurement without interrupting the circuit
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Product
Battery Meter
HW171
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Wenzhou Zhengyuan Electronic Co., Ltd.
Battery condition screening for retailers and wholesalers
