Quick answer: the top-ranked signal generator manufacturers in China on this list are Ceyear (Shandong), RIGOL (Jiangsu) and SIGLENT (Guangdong). 3 Chinese manufacturers are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked signal generator manufacturers
How this list is ranked- 01
Ceyear
思仪Ceyear
- Signal generators
- Optical attenuators
- Spectrum analyzers
Registered legal entity on file; email and phone published; operating since 2015.
View profile → - 02
RIGOL
普源精电RIGOL
- Signal generators
- Digital oscilloscopes
- Spectrum analyzers
Registered legal entity on file; email and phone published; operating since 1998.
View profile → - 03
SIGLENT
鼎阳科技SIGLENT
- Signal generators
- Digital oscilloscopes
- Spectrum analyzers
Registered legal entity on file; email and phone published; operating since 2002.
View profile →
International signal generator brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Chuang Yuan Xin Ke 创远信科
Registered as 创远信科(上海)技术股份有限公司 in 2005.
- Signal generators
- Spectrum analyzers
- Network analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 2005.
- INT
Keysight Keysight是德科技
Registered as 是德科技(中国)有限公司 in 1999.
- Signal generators
- Digital oscilloscopes
- Optical attenuators
- Spectrum analyzers
- Network analyzers
- Logic analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1939.
- INT
Rohde&Schwarz Rohde&Schwarz
Registered as 罗德与施瓦茨(中国)科技有限公司 in 2013.
- Signal generators
- Digital oscilloscopes
- Spectrum analyzers
- Network analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1933.
- INT
Tektronix Tektronix泰克
Registered as 泰克科技(中国)有限公司 in 2001.
- Signal generators
- Digital oscilloscopes
- Spectrum analyzers
- Network analyzers
- Logic analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1946.
- INT
Teledyne LeCroy Teledyne LeCroy
Registered as 华特力科(北京)商贸有限公司 in 2008.
- Signal generators
- Digital oscilloscopes
- Logic analyzers
Why it ranks here: registered legal entity on file; email and phone published; operating since 1964.
More Signal generators manufacturers and brands
| Brand | Registered company | Website |
|---|---|---|
| AnritsuAnritsu安立 | 安立通讯科技(上海)有限公司 | anritsu.com |
| NINI | 恩艾(中国)仪器有限公司 | ni.com |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Ceyear思仪Ceyear | Shandong | 2015 | 中电科思仪科技股份有限公司 |
| 02 | RIGOL普源精电RIGOL | Jiangsu | 1998 | 普源精电科技股份有限公司 |
| 03 | SIGLENT鼎阳科技SIGLENT | Guangdong | 2002 | 深圳市鼎阳科技股份有限公司 |
Frequently asked questions
How many signal generators manufacturers and suppliers in China are listed here?
10 companies are listed for signal generators (信号发生器). 3 Chinese manufacturers have full profiles and are ranked; 5 international brands with China operations are listed separately.
Where are China's signal generators manufacturers located?
Among profiled companies: Beijing (3), Shanghai (2), Shandong (1), Jiangsu (1), Guangdong (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 8 publish an email address.