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- Tel: 0086-311-89642206
- E-mail: sales@hbmetals.com
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- piping materials2
- 2500lb flanges1
- 1500lb flanges1
- 900lb flanges1
- 600lb flange1
- 400lb flange1
- 300lb flange1
- bolting dimensions6
- uns n080311
- alloy 311
- type 055
- blind flange5
- pn402
- plate flange4
- type 014
- pn62
- slip on plate1
- en1092-110
- introduction1
- pn163
- pn104
- bs4504 flange1
- rubber expansion joint4
- 150lb3
- fb7