Quick answer: the top-ranked oil-water separator brands in China on this list are Lang Jie (Guangdong), Mei Wei (Heilongjiang) and Tian Jian Sheng Wu Huan Bao (Anhui). 3 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked oil-water separator brands
How this list is ranked- 01
Lang Jie
朗洁
- Oil-water separators
- Integrated kitchen exhaust purifiers
- Kitchen exhaust purifiers
Registered legal entity on file; email and phone published; operating since 2000.
View profile → - 02
Mei Wei
美威
- Oil-water separators
Registered legal entity on file; email and phone published; operating since 1999.
View profile → - 03
Tian Jian Sheng Wu Huan Bao
天健生物环保
- Oil-water separators
Registered legal entity on file; email and phone published.
View profile →
International oil-water separator brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
ACO ACO亚科
Registered as 亚科排水科技(上海)有限公司 in 2010.
- Oil-water separators
- Rainwater collection equipment
- Rainwater harvesting systems
Why it ranks here: registered legal entity on file; phone published; operating since 1946.
- INT
ZENIT ZENIT泽尼特
Registered as 泽尼特泵业(中国)有限公司 in 2005.
- Oil-water separators
- Integrated pump stations
- Sewage lifting pumps
- Sewage pumps
- Submersible pumps
Why it ranks here: registered legal entity on file; phone published.
- INT
KESSEL KESSEL科赛尔
Registered as 科赛尔排水设备(常熟)有限公司 in 2017.
- Oil-water separators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1963.
- INT
MEA MEA米亚
Registered as 米亚智水环保科技(苏州)有限公司 in 2007.
- Oil-water separators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1886.
- INT
Purenfort Purenfort普恩富特
Registered as 普恩富特(上海)环境科技有限公司 in 2013.
- Oil-water separators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1983.
- INT
TECE TECE帝希
Registered as 帝希洁具系统(苏州)有限公司 in 2006.
- Oil-water separators
Why it ranks here: registered legal entity on file; email and phone published; operating since 1986.
More Oil-water separators brands and companies
| Brand | Registered company | Website | Email / phone |
|---|---|---|---|
| Zhong Qi Huan Bao中器环保 | 上海中器环保科技有限公司 | shzhongqiloil.cn.shina.cn | 400-021-3386 |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Lang Jie朗洁 | Guangdong | 2000 | 广州朗洁环保科技股份有限公司 |
| 02 | Mei Wei美威 | Heilongjiang | 1999 | 哈尔滨恒通排水设备制造股份有限公司 |
| 03 | Tian Jian Sheng Wu Huan Bao天健生物环保 | Anhui | — | 安徽天健生物环保股份有限公司 |
Frequently asked questions
How many oil-water separators manufacturers and suppliers in China are listed here?
10 companies are listed for oil-water separators (油水分离器). 3 Chinese manufacturers have full profiles and are ranked; 6 international brands with China operations are listed separately.
Where are China's oil-water separators manufacturers located?
Among profiled companies: Jiangsu (4), Shanghai (2), Guangdong (1), Heilongjiang (1), Anhui (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.