... is the primary power transmission element on the push-type clutch of the oil drilling equipment (drilling rig and workover rig). With ... name Production Line Capacity Actual Units Produced(Previous Year) Pneumatic Clutch USD 2,400,000.00 per year USD 1,683 ... Centre, CNAS 00112Q210769R0M/6100 Design, development, process and international trade of machinery, spare parts 2012/10/22 --- 2015/10/21 Testing ...