2000PSI to 15000 psi
2-1/16" to 4 1/16"
AA,BB,CC,DD,EE,FF
L,P,RS,T,U,V
PR1,PR2
PSL1,PSL2,PSL3,PSL4
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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