106.23.200.00
106.62.300.00
116.17.00
116.18C.00
115.02.00
115.01.00
115.22.00
106.48.20.00
106.48.30.00
106.48.40.00
106K.100.00
118.03.00
106.48.70.00
106.62.100.00
106.48.160.00
106.48.270.00
106.48.285.00
106.02.170.00
106.48.200.00
Jining Donghong Machinery Co., Ltd
www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960
API OSHA IADC OPEC RIG ZONE WORLD OIL Drilling Formulas
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