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Ningbo Langchi Transmission Technology Co., Ltd.

Lead Screw, Nuts, Worm Gear manufacturer / supplier in China, offering Set Transmission Parts Drive Worm and Worm Gear, High Speed Hollow Trapezoidal Thread Lead Screw with POM Screw Nut, Multi Starts Trapezoidal Rolling Thread Lead Screw Tr12X7.5 (p2.5) and so on.

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Equipments

Rockwell Hardness Tester [Jul 13,2016]
Rockwell Hardness Tester
Rockwell hardness tester is a universalized apparatus for Rockwell hardness determination. It can be used in the test of Rockwell hardness of various materials. The applying speed of test pressure can be adjusted by a buffering device and the change of pressure is obtained by turning of a pressure selecting handwheel. Operation of the tester is quite easy, while the performance is stable, and thus the tester can be used in a wide range.