|
|
|
|
 |
|
|
|
|
||
|
|
|
|
|
port petroleum pipe line |
big rim bend pipe |
|
|
|
||
|
|
|
|
|
oil storage tank |
large scale stainless tee joint special pipe |
|
|
|
|
|
|
|
|
large-scale chemical compete set of equipment |
|
