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A rapid measuring device for the center diameter of taper tap base surface See more
A indexing tool for cylindrical slotted workpieces See more
A pipe angle gauge See more
A pipe angle gauge See more
Flat comb blade quarter pitch gauge See more
Tool grinding device See more
Patent certificate See more
Hebei Province Industrial Enterprise R&D Institution Certificate See more
Directly affiliated member units of Hebei Entrepreneurs Association See more
Post-Doctoral Research Center See more