... for working , easy to operate 1 DX—5 Gauge length instrument 2 DX-5 Working Principle It is rotating 360° through ... , 200 wide, 300 millimeters high 3.Net weight of each instrument 22kg4After-sales service commitmentWarranty The testing machine is guaranteed for ... a year by Jinan Liangong Testing Technology Co., LTD and has whole-life service (including machinery, clamps, hardware, ...