... safe ,reliable ,and easy to handle with high mobility .This series of tongs can be connected to computer ... surface operations in oil fields.National Invention Patent of the tong has been got .The tongs ... . TCS torque monitoring system can be mathed with drill well Power Tongs casing tong and oil ... ultimate data ,such as :torque ,number of ciccles ,torque/time of .circles,torque/time. curves,date,time, ...