Quick answer: the top-ranked nanofiltration membrane brands in China on this list are DUPONT (Guangdong), Jiu Wu Gao Ke (Jiangsu) and VONTRON (Guizhou). 6 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked nanofiltration membrane brands
How this list is ranked- 01
DUPONT
DUPONT杜邦
- Nanofiltration membranes
- Cellophane
- Toughening Agents
Registered legal entity on file; email and phone published; operating since 1824.
View profile → - 02
Jiu Wu Gao Ke
久吾高科
- Nanofiltration membranes
- Ultrafiltration Equipment
- Ceramic membranes
Registered legal entity on file; email and phone published; operating since 1997.
View profile → - 03
VONTRON
沃顿科技VONTRON
- Nanofiltration membranes
- RO film
- Ultrafiltration Membranes
Registered legal entity on file; email and phone published; operating since 1999.
View profile →
- 04
ORIGINwater 碧水源ORIGINwater
Registered as 北京碧水源科技股份有限公司 in 2001.
- Nanofiltration membranes
- Environmental protection equipment
- Ultrafiltration Equipment
- Commercial drinking water dispensers
- Wastewater Treatment
- Self-service water dispensers
Why it ranks here: registered legal entity on file; phone published; operating since 2001.
- 05
HWTT HWTT
Registered as 杭州水处理技术研究开发中心有限公司 in 1994.
- Nanofiltration membranes
- Ultrafiltration Equipment
Why it ranks here: registered legal entity on file; email and phone published; operating since 1984.
- 06
Suntar 三达Suntar
Registered as 三达膜环境技术股份有限公司 in 2005.
- Nanofiltration membranes
- Ceramic membranes
Why it ranks here: registered legal entity on file; email and phone published.
International nanofiltration membrane brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
HYDRANAUTICS HYDRANAUTICS海德能
Registered as 日东(中国)新材料有限公司 in 2014.
- Nanofiltration membranes
- RO film
- Ultrafiltration Membranes
Why it ranks here: registered legal entity on file; phone published; operating since 1963.
- INT
TORAY TORAY东丽
Registered as 东丽(中国)投资有限公司 in 2002.
- Nanofiltration membranes
- Carbon fiber boards
- Air conditioner filters
- ABS plastic
- Foam
- Functional fabrics
Why it ranks here: registered legal entity on file; phone published; operating since 1926.
- INT
VEOLIA VEOLIA威立雅
Registered as 威立雅(中国)环境服务有限公司 in 2003.
- Nanofiltration membranes
- Electrodialysis equipment
- Ultraviolet sterilizers
- Ultrafiltration Equipment
- Aquaculture Equipment
- Wastewater Treatment
Why it ranks here: registered legal entity on file; phone published; operating since 1853.
More Nanofiltration membranes brands and companies
| Brand | Registered company | Website |
|---|---|---|
| KovalusKovalus | 科沃滤(上海)分离技术有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | DUPONTDUPONT杜邦 | Guangdong | 1824 | 杜邦中国集团有限公司 |
| 02 | Jiu Wu Gao Ke久吾高科 | Jiangsu | 1997 | 江苏久吾高科技股份有限公司 |
| 03 | VONTRON沃顿科技VONTRON | Guizhou | 1999 | 沃顿科技股份有限公司 |
| 04 | ORIGINwater碧水源ORIGINwater | Beijing | 2001 | 北京碧水源科技股份有限公司 |
| 05 | HWTTHWTT | Zhejiang | 1984 | 杭州水处理技术研究开发中心有限公司 |
| 06 | Suntar三达Suntar | Shaanxi | — | 三达膜环境技术股份有限公司 |
Frequently asked questions
How many nanofiltration membranes manufacturers and suppliers in China are listed here?
10 companies are listed for nanofiltration membranes (纳滤膜). 6 Chinese manufacturers have full profiles and are ranked; 3 international brands with China operations are listed separately.
Where are China's nanofiltration membranes manufacturers located?
Among profiled companies: Shanghai (3), Guangdong (1), Jiangsu (1), Guizhou (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, 9 have an official website and 5 publish an email address.