Quick answer: the top-ranked same-floor drainage system brands in China on this list are LESSO (Guangdong), VASEN (Zhejiang) and Jin Niu Guan (Hubei). 5 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked same-floor drainage system brands
How this list is ranked- 01
LESSO
联塑LESSO
- Same-floor drainage systems
- Aluminum plastic composite pipes
- Plastic pipes / water pipes
Registered legal entity on file; email and phone published; operating since 1996.
View profile → - 02
VASEN
伟星VASEN
- Drain
- Same-floor drainage systems
- Aluminum plastic composite pipes
Registered legal entity on file; email and phone published; operating since 1999.
View profile → - 03
Jin Niu Guan
金牛管
- Same-floor drainage systems
- Aluminum plastic composite pipes
- Plastic pipes / water pipes
Registered legal entity on file; phone published; operating since 1999.
View profile →
- 04
Ri Feng Guan 日丰管
Registered as 日丰企业集团有限公司 in 1996.
- Same-floor drainage systems
- Aluminum plastic composite pipes
- Plastic pipes / water pipes
- HDPE drainage pipes
- T-joint
- Explosion-proof pipes
Why it ranks here: registered legal entity on file; phone published; operating since 1996.
- 05
Zhong Cai Guan Dao 中财管道
Registered as 浙江中财管道科技股份有限公司 in 1995.
- Same-floor drainage systems
- Aluminum plastic composite pipes
- Plastic pipes / water pipes
- HDPE drainage pipes
- T-joint
- Inspection chambers
Why it ranks here: registered legal entity on file; phone published.
More Same-floor drainage systems brands and companies
| Brand | Registered company | Website |
|---|---|---|
| FastFlowFastFlow捷流 | 捷流技术工程(广州)有限公司 | fastflowgroup.com.cn |
| GEBERITGEBERIT吉博力 | 吉博力(上海)贸易有限公司 | geberit.com.cn |
| Jin Chi劲驰 | 江苏劲驰环境工程有限公司 | sosoon.net |
| TK康泰管业TK | 康泰塑胶科技股份有限公司 | ktsj.com.cn |
| wavinwavin威文 | 威文管道系统(佛山)有限公司 | wavin.com.cn |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | LESSO联塑LESSO | Guangdong | 1996 | 广东联塑科技实业有限公司 |
| 02 | VASEN伟星VASEN | Zhejiang | 1999 | 浙江伟星新型建材股份有限公司 |
| 03 | Jin Niu Guan金牛管 | Hubei | 1999 | 金牛世纪实业控股集团有限公司 |
| 04 | Ri Feng Guan日丰管 | Guangdong | 1996 | 日丰企业集团有限公司 |
| 05 | Zhong Cai Guan Dao中财管道 | Zhejiang | — | 浙江中财管道科技股份有限公司 |
Frequently asked questions
How many same-floor drainage systems manufacturers and suppliers in China are listed here?
10 companies are listed for same-floor drainage systems (同层排水). 5 Chinese manufacturers have full profiles and are ranked.
Where are China's same-floor drainage systems manufacturers located?
Among profiled companies: Guangdong (2), Zhejiang (2), Hubei (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 2 publish an email address.