Quick answer: the top-ranked self-closing gas valve brands in China on this list are Da Tang Ke Ji (Shaanxi), Shi Ya (Zhejiang) and Zhi Qing (Zhejiang). 3 Chinese brands are ranked by registration, contact and product data; 10 companies are listed in total. Updated 21 Oct 2026.
Ranked self-closing gas valve brands
How this list is ranked- 01
Da Tang Ke Ji
大唐科技
- Gas valves
- Self-closing gas valves
- Gas pressure regulators
Registered legal entity on file; email and phone published; operating since 2007.
View profile → - 02
Shi Ya
世亚
- Gas valves
- Self-closing gas valves
Registered legal entity on file; email and phone published; operating since 2015.
View profile → - 03
Zhi Qing
志清
- Gas valves
- Self-closing gas valves
Registered legal entity on file; email and phone published; operating since 1984.
View profile →
International self-closing gas valve brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
JKLONG 杰克龙JKLONG
Registered as 宁波金田铜业(集团)股份有限公司 in 1992.
- Gas valves
- Self-closing gas valves
Why it ranks here: registered legal entity on file; email and phone published; operating since 1986.
More Self-closing gas valves brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Ming Shi Xing Xin铭仕兴新 | 浙江铭仕兴新暖通科技股份有限公司 | zj-mingshi.com |
| JA佳安JA | 浙江佳安燃气安全科技有限公司 | — |
| Jing Yi精益 | 宁波华成阀门有限公司 | — |
| Te En Da特恩达 | 成都特恩达燃气设备有限公司 | — |
| Wei Si Da维斯达 | 陕西维斯达仪器仪表有限公司 | — |
| Xi An Wan Tai西安万泰 | 西安万泰燃气设备有限公司 | — |
Comparison table
| # | Company | Province | Est. | Registered company |
|---|---|---|---|---|
| 01 | Da Tang Ke Ji大唐科技 | Shaanxi | 2007 | 陕西大唐燃气安全科技股份有限公司 |
| 02 | Shi Ya世亚 | Zhejiang | 2015 | 浙江世亚燃气阀门有限公司 |
| 03 | Zhi Qing志清 | Zhejiang | 1984 | 浙江志清智控科技有限公司 |
Frequently asked questions
How many self-closing gas valves manufacturers and suppliers in China are listed here?
10 companies are listed for self-closing gas valves (自闭阀). 3 Chinese manufacturers have full profiles and are ranked; 1 international brands with China operations are listed separately.
Where are China's self-closing gas valves manufacturers located?
Among profiled companies: Zhejiang (3), Shaanxi (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, 5 have an official website and 4 publish an email address.