Quick answer: 10 Chinese square and rectangular steel tubes brands and companies are listed here, including Hua Qi, JIGANG and Jun Cheng Guan Dao, with registered company names and official websites. Updated 21 Oct 2026.
Square and rectangular steel tubes brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Hua Qi华岐 | 衡水京华制管有限公司 | hsjh.com |
| JIGANG济钢JIGANG | 济钢集团有限公司 | jigang.com.cn |
| Jun Cheng Guan Dao君诚管道 | 天津君诚管道实业集团有限公司 | jccopipe.com |
| You Fa Gang Guan友发钢管 | 天津友发钢管集团股份有限公司 | yfgg.com |
| Yuan Tai De Run源泰德润 | 天津源泰德润钢管制造集团有限公司 | ytdrgg.com |
| Zhen Hong Gang Guan振鸿钢管 | 佛山市三水振鸿钢制品有限公司 | sczhenhong.com |
| Jia Yi佳艺 | 上海佳冷冷弯科技股份有限公司 | — |
| Jing Ye Gang Guan敬业钢管 | 河北敬业精密制管有限公司 | — |
| Lian Chuang Zhi Gang连创制钢 | 唐山连创制钢科技有限公司 | — |
| Sheng Bao胜宝 | 河北胜宝制管有限公司 | — |
Frequently asked questions
How many square and rectangular steel tubes manufacturers and suppliers in China are listed here?
10 companies are listed for square and rectangular steel tubes (方管/方矩管). Full ranked profiles are being prepared.
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, 6 have an official website and 0 publish an email address.