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1.blow-out proof stem2.investment casting body
3.reduce port
4.L/T port upon ruquest
5.iso 5211 direct mounting pad
6.all kinds of thread available
7.locking device handle available
8.design acc:asme b 16.34
9.thread acc:ansi b 1.20.1
10.inspection &testing acc:api598
Skype:amy.chen518
QQ:1711394790




