→Standard drill rod Torsion Tester, Drill pipe Torsion Testing Machine, Torsion Testing for drilling in mine tunnel, JB/T12806-2016, JB/T11168-2011, MT/T521, MT/T1056, MT/T905, Torsion Test for drilling in coal mine gallery, hrjtest.com, Seamless steel tubes Torsion Tester, Torsion Test for drill rod of rotary digging machine, Construction machinery Rotary drilling rig kelly bar, Rotary drill rod Torsion Tester.
→SY/T5390, SY/T5561-2014, SY/T6030-2012, SY/T6417-2016, SY/T6509-2012, Torsion Test for coal mining roofbolter, Practice for fitness-for-service assessment, drill pipe containing defects, plain-end drill pipe Torsion Tester, Technical specification for special tubular goods, petroleum and natural gas industries, SY/T6719, SY/T6857.2-2012, SY/T6896.2-2013, YB/T4273-2012, Drill pipe used in horizontal directional drilling, Steel bars for nonmagnetic petroleum drilling tools, Petroleum and natural gas industries, Field inspection of new casing tubing, Equations and calculations for the properties, GB/T34229-2017, GB/T34109-2017, GB/T20656, GB/T20657-2011, Casing tubing drill pipe and line pipe, ISO 11960.
→APISpec5CT, ISO11961, APISpec5D, ISO3183, APISpec5L, ISO/TR10400, Casing and tubing Torsion Tester, China Material Tester, Asia Material Tester, International Type Material Tester, Testing Machines Manufacturer, Mechanics Tester Manufacturer, Testing Machine Service Center, Testing Machine Fittings Supply Center, Design and Manufacture Center for Special Test Accessories, Shandong Society For Measurement, Jinan HengRuiJin Testing Machine Co.,Ltd.
Member of force value hardness measurement committee of shandong metrology institute