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
Car Electric Pen
Wilk302
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Wenzhou Zhengyuan Electronic Co., Ltd.
Automotive DC voltage testing with live/ground wire identification for vehicle electrical diagnostics. (Model Wilk302)
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Product
Multi-Function Inductive Alarm Voltage TesterWith Flashlight
VD21
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Wenzhou Zhengyuan Electronic Co., Ltd.
Non-contact detection of energized cables and wiring
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Product
Voltage Tester
EW001
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Wenzhou Zhengyuan Electronic Co., Ltd.
Live and neutral wire identification.
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Product
Car Electric Pen
HW305
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Wenzhou Zhengyuan Electronic Co., Ltd.
Automotive electrical diagnostics on 12V/24V systems
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Product
Digital Multimeter
VT811
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Wenzhou Zhengyuan Electronic Co., Ltd.
On-the-go electrical checks in panels and junction boxes
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Product
Digital Voltage Tester
130805
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Wenzhou Zhengyuan Electronic Co., Ltd.
Digital live-wire voltage reading
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Product
Digital Clamp Meter
MT87
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Wenzhou Zhengyuan Electronic Co., Ltd.
AC current measurement without interrupting the circuit.
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Product
Digital Multimeter
DT9208A
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring.
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Product
Voltage Tester
EW006
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Wenzhou Zhengyuan Electronic Co., Ltd.
Live and neutral wire identification.
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Product
Car Electric Pen
HW306
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Wenzhou Zhengyuan Electronic Co., Ltd.
Automotive electrical diagnostics on 12V/24V systems
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Product
Digital Multimeters
DT33 Series
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Wenzhou Zhengyuan Electronic Co., Ltd.
It measures AC/DC voltage, AC/DC current and resistance — the essentials for home repairs, electronics work and basic electrical troubleshooting.
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Product
Digital Multimeter
DM9205A
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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
ST105
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Wenzhou Zhengyuan Electronic Co., Ltd.
Electrical installation and troubleshooting in residential and commercial wiring.
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Product
Multi-Thermometer
HT9269
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Wenzhou Zhengyuan Electronic Co., Ltd.
Digital temperature meter for HVAC and environment temperature measurement.
