| 出生地 |
Hebei China (Mainland) |
| 牌子的名字 |
shengsenyuan |
| 模式的数量 |
12" |
| 材料 |
钢铁 |
A106/ API 5L /A53 seamless pipe and ERW pipe ISO 9001CERTIFICATE. ASTM B 16.9 /16.11 B 16.28 JIS B 2311/2220 DIN2617/2616/2615 Packages: Wooden Cases painted black or oil 1.Special design available according to requirement 2.All the production process are made under the ISO 9001:2000 strictly.