Welcome ! to our e-catalog home.Here you can find information about products. You also send us inquiries and post comments company We hope enjoy your visit.Product List 1) Stringing Equipments 2) Electrical ...

HEILONGJIANG NORTH SHUANGJIA DRILLING TOOLS CO., LTD is a state owned manufactory, which was founded in 1946, specializes providing downhole tools and fishing for the oilfield. With its 310 diligent workers, supreme strong production capacity more than 60 ...