Quick answer: 10 Chinese polyurethane-insulated steel pipe brands and companies are listed here, including Dong Hong, HAOTIAN and Jiang Feng Ji Tuan, with registered company names and official websites. Updated 21 Oct 2026.
Polyurethane-insulated steel pipes brands and companies
| Brand | Registered company | Website |
|---|---|---|
| Dong Hong东宏 | 山东东宏管业股份有限公司 | dhguanye.com |
| HAOTIAN昊天HAOTIAN | 昊天节能装备有限责任公司 | haotianjnzb.com |
| Jiang Feng Ji Tuan江丰集团 | 江丰管道集团有限公司 | hbjf.com |
| Jun Ye Ke Ji君业科技 | 河北君业科技股份有限公司 | cnjunye.cn |
| San Jie Xin Cai三杰新材 | 三杰节能新材料股份有限公司 | sanjiexc.com |
| SDMS鲁地SDMS | 山东茂盛管业有限公司 | sdmsgy.com |
| Taihe太合Taihe | 天津市管道工程集团有限公司 | tjpipe.com |
| Xin Hui Dong鑫汇东 | 河北汇东管道股份有限公司 | hdgdgf.com |
| Xing Bang Guan Dao兴邦管道 | 唐山兴邦管道工程设备有限公司 | tsxbgd.com |
| Yu Gang宇刚 | 天津市宇刚保温建材有限公司 | ygbw.com |
Frequently asked questions
How many polyurethane-insulated steel pipes manufacturers and suppliers in China are listed here?
10 companies are listed for polyurethane-insulated steel pipes (聚氨酯保温钢管). 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, 10 have an official website and 0 publish an email address.