Oil pumping-rod elevator autorotation equipment
Manufacturer: Haicheng Petroleum Machinery Manufacture Limited Company
Address: West Sifangtai Town Haicheng City Liaoning Province
Oil pumping-rod elevator autorotation equipment for anti-abrasion and dislocating of joints
is used on oil-pumping machine in oil extraction factory, for anti-abrasion and dislocating of joints for oil pumping-rod