Along with the years of entrepreneurial journey of Zhongyuan people, she gradually formed her own spiritual pillar and behavioral norms. In the silent inheritance, she guided Zhongyuan Company towards a more brilliant tomorrow.
Standard and Classfication 标准和分类 | |||
Classfication 分类 | Standard 标准 | Main Products | 主要产品 |
Steel Pipe for Fluid Service 流体输送用钢管 | GB/T 14291 | Welded pipe for mine fluid sevice | 矿用流体用焊接管 |
GB/T 3091 | Welded pipe for low pressure fluid service | 低压流体用焊接管 | |
SY/T 5037 | Spirally submerged arc welded steel pipe for pipelines for low pressure fluid service | 低压流体输送管道用螺旋埋弧焊钢管 | |
ASTM A53 | Black and hot-hipped galvanized welded and seamless steel pipe | 黑色热镀锌焊接无缝钢管 | |
BS EN10217-2 | Welded steel tybes for pressure purposes – delivery technical conditions – part2: Electric welded non- alloy and alloy steel tubes with specified elevated temperature properties | 压力用焊接钢接头交货技术条件第2部分:具有规定高温性能的电焊非合金和合金钢管 | |
BS EN10217-5 | Welded steel tybes for pressure purposes – delivery technical conditions – part5: submerged arc welded non-alloy and alloy steel tubes with specified elevated temperature properties | 压力用焊接钢接头交货技术条件第5部分:具有规定高温性能的埋弧焊非合金和合金钢管 |
ADD:Chengnan Industrial Development Zone, Yanshan County, Hebei Province
Domestic phone number:0086-317-6689999
International call:0086-317-6165555
E-mail:9905791@qq.com