Our products cover the major processes of geological exploration . From ground geophysical , coring drilling, well drilling and chemical analysis minerals Our Products include instruments ( gravity magnetic electrical seismic radiological wells ) machinery core rig, car rigs, rig ...

HeJian RuiDa  Petroleum Material Co.,Ltd located in hebei province 106 national road, convenient transportation, economic development, the geographical position is superior with company strict management innovation of advanced technology production equipment perfect ...