Quick answer: the top-ranked plug gauge brands in China on this list are Chuan Pai (Sichuan), LINKS (Heilongjiang) and INSIZE (Jiangsu). 3 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked plug gauge brands
How this list is ranked- 01
Chuan Pai
川牌
- Plug gauges
- Micrometer screw gauge
- Dial indicators
Registered legal entity on file; email and phone published; operating since 1956.
View profile → - 02
LINKS
连环LINKS
- Plug gauges
- Micrometer screw gauge
- Dial indicators
Registered legal entity on file; email and phone published; operating since 1942.
View profile → - 03
INSIZE
英示INSIZE
- Plug gauges
- Angle measuring rulers
Registered legal entity on file; email and phone published; operating since 1995.
View profile →
International plug gauge brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Mahr Mahr马尔
Registered as 马尔精密量仪(苏州)有限公司 in 1998.
- Plug gauges
- Micrometer screw gauge
- Dial indicators
- Calipers
- Measuring device
Why it ranks here: registered legal entity on file; email and phone published; operating since 1861.
- INT
OSG OSG欧士机
Registered as 欧士机(上海)精密工具有限公司 in 2001.
- Plug gauges
- Taps and thread cutters
- Milling cutters
Why it ranks here: registered legal entity on file; phone published; operating since 1938.
- INT
EMUGE-FRANKEN EMUGE-FRANKEN
Registered as 埃莫克法兰肯精密工具(苏州)有限公司 in 2005.
- Plug gauges
- Taps and thread cutters
Why it ranks here: registered legal entity on file; email and phone published.
More Plug gauges brands and companies
| Brand | Registered company | Website |
|---|---|---|
| EST恒锋工具EST | 恒锋工具股份有限公司 | — |
| HONGFENG宏峰HONGFENG | 陕西航空宏峰精密机械工具有限责任公司 | — |
| ISSOKUISSOKU一测 | 一测(上海)精密测量仪器贸易有限公司 | — |
| SKSK新泻精机 | 惠寿庆精密机械商贸(上海)有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Chuan Pai川牌 | Sichuan | 1956 | 成都新成量工具有限公司 |
| 02 | LINKS连环LINKS | Heilongjiang | 1942 | 通用技术集团哈尔滨量具刃具有限责任公司 |
| 03 | INSIZE英示INSIZE | Jiangsu | 1995 | 苏州英示测量科技有限公司 |
Frequently asked questions
How many plug gauges manufacturers and suppliers in China are listed here?
10 companies are listed for plug gauges (塞规). 3 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's plug gauges manufacturers located?
Among profiled companies: Jiangsu (3), Sichuan (1), Heilongjiang (1), Shanghai (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, 6 have an official website and 5 publish an email address.