Pumps for machines; hydraulic controls for machines, motors and engines; hydraulic valve actuators; back pressure valves as parts of machines; oil field equipment, namely, drilling rig mechanization machines and devices; pneumatic controls for machines, motors and engines

'actuat':13 'back':14 'control':5,32 'devic':30 'drill':25 'engin':10,37 'equip':23 'field':22 'hydraul':4,11 'machin':3,7,20,28,34 'mechan':27 'motor':8,35 'name':24 'oil':21 'part':18 'pneumat':31 'pressur':15 'pump':1 'rig':26 'valv':12,16

GUANGSHI

Owner

Goods & Services