Quick answer: the top-ranked electrical safety tester manufacturers in China on this list are Ainuo (Shandong), eec (Jiangsu) and Tonghui (Jiangsu). 3 Chinese manufacturers are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked electrical safety tester manufacturers
How this list is ranked- 01
Ainuo
艾诺Ainuo
- Electrical safety testers
- Resistance testers
Registered legal entity on file; email and phone published; operating since 1993.
View profile → - 02
eec
华仪电子eec
- Electrical safety testers
Registered legal entity on file; email and phone published.
View profile → - 03
Tonghui
同惠Tonghui
- Electrical safety testers
- Resistance testers
Registered legal entity on file; email and phone published; operating since 1994.
View profile →
International electrical safety tester brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Fluke Fluke福禄克
Registered as 福禄克测试仪器(上海)有限公司 in 2001.
- Electrical safety testers
- Digital oscilloscopes
- Thermal imaging cameras
- Insulation resistance testers
- Resistance testers
- Multimeters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1948.
- INT
GMC INSTRUMENTS GMC INSTRUMENTS
Registered as 高美测仪(天津)科技有限公司 in 2009.
- Electrical safety testers
- Analog multimeters
- Resistance testers
- Power test instruments
Why it ranks here: registered legal entity on file; email and phone published.
- INT
Gwinstek 固纬Gwinstek
Registered as 固纬电子(苏州)有限公司 in 2000.
- Electrical safety testers
- Digital oscilloscopes
- Spectrum analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1975.
- INT
HIOKI HIOKI日置
Registered as 日置(上海)测量技术有限公司 in 2007.
- Electrical safety testers
- Analog multimeters
- Insulation resistance testers
- Network cable testers
- Resistance testers
- Multimeters
Why it ranks here: registered legal entity on file; email and phone published; operating since 1935.
- INT
Keysight Keysight是德科技
Registered as 是德科技(中国)有限公司 in 1999.
- Electrical safety testers
- Digital oscilloscopes
- Optical attenuators
- Spectrum analyzers
- Network analyzers
- Signal generators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1939.
- INT
KIKUSUI KIKUSUI菊水
Registered as 菊水贸易(上海)有限公司 in 2006.
- Electrical safety testers
- Resistance testers
Why it ranks here: registered legal entity on file; email and phone published.
- INT
Zhi Mao Dian Zi 致茂电子
Registered as 中茂电子(深圳)有限公司 in 1998.
- Electrical safety testers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1984.
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Ainuo艾诺Ainuo | Shandong | 1993 | 青岛艾诺仪器有限公司 |
| 02 | eec华仪电子eec | Jiangsu | — | 苏州市继仪电子贸易有限公司 |
| 03 | Tonghui同惠Tonghui | Jiangsu | 1994 | 常州同惠电子股份有限公司 |
Frequently asked questions
How many electrical safety testers manufacturers and suppliers in China are listed here?
10 companies are listed for electrical safety testers (安规测试仪). 3 Chinese manufacturers have full profiles and are ranked; 7 international brands with China operations are listed separately.
Where are China's electrical safety testers manufacturers located?
Among profiled companies: Jiangsu (3), Shanghai (3), Shandong (1), Tianjin (1), Beijing (1).
How is this list ranked?
By the completeness and verifiability of each company's data: a registered legal entity, an official website, published contact details, a product range and company history. The rank is not a quality rating, and no company pays for its position. See How we rank for the full method.
How do I contact these manufacturers?
Each listing shows the company's official website and, where published, its email and phone number. Of the 10 companies listed, 10 have an official website and 10 publish an email address.