DAYANG set up normative ISO9001ISO/TS16949 quality certificate. Our company has R&D dept., Quality dept.    Quality dept. includes:

- Heat Treatment Inspection Lab

- Measuring Lab

- Physical And Chemical Inspection Lab

- Precision Measuring Lab

- Metallography Lab

- Vibration Measuring Lab

And our company has more than 30 sets of the advanced inspecting equipments like:

- Roundness Measuring Intrument

- Length Measuring Intrument

- Profile Meter

- Digital Mircograph Hardness Intrument

- Metallography Meter

- Defect detecting Intrument

- Residual Magnetism Measuring Intrument

- Vibration Measuring Intrument