ABOUT US
Polygon Manufacturing Limited is a professional manufacturer of measure tools, inspect tools, instruments, etc., such as portable Hardness Tester, measurement system of hardness tester, control system of hardness tester, VGA Visual Microscope, Torque Wrench, mini-printer and other measurement systems. We own many national monopolies, provides the high quality inspection product and comprehensive test and solution for the user. Our co***ny cooperates with the domestic related scientific research...
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