|
钢塑复合管 |
钢塑符合管
ERW steel and plastic composit pipe
钢塑符合管外径21.3-219
ERW steel & plastic composit pipe OD &nbs... |
2020/9/21 详细信息.. |
|
|
|
热镀锌钢管 |
标准:GB3091-2015, BS1387-1985, ASTM A500 GRADE A,B,C, ASTM A795、 ISO65 、ASTM A53、STK400
材质:Q235B,Q345B,SS400, S235JR A... |
2020/9/21 详细信息.. |
|
|
|