138-1557-8682
Dongkai Petroleum Machinery
Add: No.1,Chenwei Village,
Jianyang Town,Jianhu County,
Jiangsu Province,China
PH：+86 515 8680 0217
+86 515 8680 0218
Fax：+86 515 8680 0219
Website：www.dokaipetro.com
Email：info@dokaipetro.com
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Reducing flange
