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Ningbo Langchi Transmission Technology Co., Ltd.

Lead Screw, Nuts, Worm manufacturer / supplier in China, offering Transmission Customized Ss303 Screw Shaft Gear Worm by Cold Extrusion, Precision Roller Trapezoidal Thread Open Spindle Lead Screw Tr70X10, Set Trapezoidal Thread Acme Shaft Spindle with Square Nut 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.