Lub hom phiaj:

Mainly used in the production of small forces and strict requirements for size and finish instrumentation, watch parts, automobiles, machine tools and other machines used on the dimensional accuracy and finish requirements are strict, and the mechanical performance requirements are relatively low standard parts, Such as gears, shafts, bolts, valves, bushings, pins, pipe joints, spring cushions and machine tool screws, plastic molding molds, surgical and dental procedures and other products that need to be cut

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