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Yonghua establishes and implements the strict internal quality control standards to realize the strict monitoring on the whole process of machine tool design and manufacturing. 45 testing items, 632 points of quality control, 48 hours running-in load and processing test with ZEISS three-coordinate measuring machine and RENISHAW laser interferometer to guarantee the precision control of all details.

RENISHAW Laser Interferometer.
ZEISS Three-coordinate Measuring Machine.
Re-cutting Testing.
Overloading Testingt.