Oil Well Handling Tools Manual Tong Type DB The manual tongs are designed and manufactured in accordance with the National Standard for the Petroleum and National Gas Industry GB/T17744, SY/T5074-2012Elevator ... Read More
Oil Well Handling Tools Manual Tong Type DB The manual tongs are designed and manufactured in accordance with the National Standard for the Petroleum and National Gas Industry GB/T17744, SY/T5074-2012Elevator ... Read More
Oil Well Handling Tools Manual Tong Type DB DDZ 18 Degree Drill pipe elevator series are important apparatus to control the descending and ascending of the drill pipes in the operation of well-drill or gas... Read More