Quick answer: the top-ranked capillary tube brands in China on this list are GDCOPPER (Chongqing) and Hai Liang Gu Fen (Zhejiang). 2 Chinese brands are ranked by registration, contact and product data; 7 companies are listed in total. Updated 21 Oct 2026.
Ranked capillary tube brands
How this list is ranked- 01
GDCOPPER 金龙铜管GDCOPPER
Registered as 金龙精密铜管集团股份有限公司 in 2000.
- Capillary tubes
- Copper air-conditioning pipes
- Finned tubes
- Copper materials
Why it ranks here: registered legal entity on file; email and phone published; operating since 2000.
- 02
Hai Liang Gu Fen 海亮股份
Registered as 浙江海亮股份有限公司 in 2001.
- Capillary tubes
- Copper air-conditioning pipes
- Copper materials
Why it ranks here: registered legal entity on file; phone published; operating since 1989.
International capillary tube brands in China
Foreign-owned groups with Chinese manufacturing or sales companies. Listed separately so the ranking above covers Chinese manufacturers only.
- INT
JINTIAN 金田铜业JINTIAN
Registered as 宁波金田铜业(集团)股份有限公司 in 1992.
- Capillary tubes
- Copper air-conditioning pipes
- Copper materials
Why it ranks here: registered legal entity on file; email and phone published; operating since 1986.
More Capillary tubes brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Hong Tai Tong Guan宏泰铜管 | 青岛宏泰金属制品有限公司 | hongtai-copper.com |
| JIEA精艺股份JIEA | 广东精艺金属股份有限公司 | jingyimetal.com |
| Nai Le Tong Ye耐乐铜业 | 江西耐乐铜业有限公司 | jxnaile.com |
| Yu Qi Xing豫七星 | 河南七星铜业有限公司 | hnqxty.com |
Frequently asked questions
How many capillary tubes manufacturers and suppliers in China are listed here?
7 companies are listed for capillary tubes (毛细管). 2 Chinese manufacturers have full profiles and are ranked; 1 international brands with China operations are listed separately.
Where are China's capillary tubes manufacturers located?
Among profiled companies: Zhejiang (2), Chongqing (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 7 companies listed, 7 have an official website and 2 publish an email address.