Quick answer: the top-ranked safety light curtain manufacturers in China on this list are SICK (Guangdong), ESPE (Guangdong) and KELI (Shandong). 5 Chinese manufacturers are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked safety light curtain manufacturers
How this list is ranked- 01
SICK
SICK西克
- Safety light curtains
- Encoders
- Pull-cord switches
Registered legal entity on file; email and phone published; operating since 1946.
View profile → - 02
ESPE
意普ESPE
- Safety light curtains
Registered legal entity on file; email and phone published.
View profile → - 03
KELI
科力KELI
- Safety light curtains
Registered legal entity on file; email and phone published.
View profile →
- 04
Lai En Guang Dian 莱恩光电
Registered as 山东莱恩光电科技股份有限公司 in 2004.
- Safety light curtains
Why it ranks here: registered legal entity on file; email and phone published; operating since 2004.
- 05
SENSORC 信索SENSORC
Registered as 上海信索电子有限公司 in 1995.
- Safety light curtains
Why it ranks here: registered legal entity on file; email and phone published.
International safety light curtain brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
Omron Automation OMRON欧姆龙自动化 Full profile
Relays / Industrial sensors / Controllers.
- Relays
- Industrial sensors
- Controllers
- Drives
- Industrial robots
- Safety equipment
Why it ranks here: registered legal entity on file; phone published; operating since 1933.
- INT
Panasonic Industry 松下电器机电 Full profile
Relays / Electronic components / Electronic materials.
- Relays
- Electronic components
- Electronic materials
- Batteries
- Industrial automation equipment
Why it ranks here: registered legal entity on file; phone published.
- INT
KEYENCE KEYENCE基恩士
Registered as 基恩士(中国)有限公司 in 2001.
- Safety light curtains
- Industrial code readers
- Proximity switches
- Machine vision
- Industrial cameras
- Photoelectric sensors and switches
Why it ranks here: registered legal entity on file; email and phone published; operating since 1974.
- INT
BANNER BANNER邦纳
Registered as 邦纳电子(苏州)有限公司 in 2003.
- Safety light curtains
- Photoelectric sensors and switches
- Fiber-optic sensors
- Displacement sensors
- Vision sensors
Why it ranks here: registered legal entity on file; phone published; operating since 1966.
- INT
PILZ 皮尔磁PILZ
Registered as 皮尔磁工业自动化(上海)有限公司 in 2006.
- Safety light curtains
- Pull-cord switches
Why it ranks here: registered legal entity on file; email and phone published.
What is a safety light curtain?
A safety light curtain creates an invisible infrared barrier and stops a machine when a person enters the danger zone. It is used on presses, robots and automated cells.
What buyers compare
- Resolution: finger or hand detection
- Protective height and range
- Safety level (Type 4, PL e)
- Muting functions
- Certification
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | SICKSICK西克 | Guangdong | 1946 | 广东西克智能科技有限公司 |
| 02 | ESPE意普ESPE | Guangdong | — | 深圳市意普兴科技有限公司 |
| 03 | KELI科力KELI | Shandong | — | 济宁科力光电产业有限责任公司 |
| 04 | Lai En Guang Dian莱恩光电 | Shandong | 2004 | 山东莱恩光电科技股份有限公司 |
| 05 | SENSORC信索SENSORC | Shanghai | — | 上海信索电子有限公司 |
Frequently asked questions
How many safety light curtains manufacturers and suppliers in China are listed here?
10 companies are listed for safety light curtains (安全光栅). 5 Chinese manufacturers have full profiles and are ranked; 5 international brands with China operations are listed separately.
Where are China's safety light curtains manufacturers located?
Among profiled companies: Shanghai (4), Guangdong (2), Shandong (2), Jiangsu (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 7 publish an email address.