Yulin cork Construction Engineering Inspection Co., Ltd. recently signed a contract with Ji'nan platinum Testing Technology Co., Ltd. to order a microcomputer controlled ring stiffness test machine. Ji'nan platinum Testing Technology Co., Ltd. specializes in manufacturing all kinds of mechanical testing equipment, with excellent quality and first-class technology. In view of the large plastic and glass steel pipe ring stiffness testing requirements, Ji'nan in the first exclusive double platinum sensor measurement technology, avoids the ring stiffness detection of partial pressure, impact pressure and other adverse conditions on experimental data, can be more accurate detection, improve the test precision.