... has first-class production equipment such as cold drawing machines with a diameter of OD710mm ... drawing force above 500 tons) and advanced cold rolling equipment including LG-110H, LG-90H, LG ... -60, LG-30H and LD-30H model cold rolling units. Our company owns 3 advanced gas ... and Vickers sclerometers, ultrasonic thickness gauges, WE-600 universal testers, XTT stereo microscopes, T21 spectrophotometers, ...