We strictly control all the procedures of production and checking.

Key points of QC system.

1.
30 years experience old engineer strictly select the diamond as per 4C stardard.
Carat size, Clarity good, Colour white, Cut good.

The quality of rough diamond,tinted white colour,without any impurities.no any flaw.no any bubble.

The nature diamond dies with <111> crystal orientation of X-ray to ensure best roundness,greater consistency,more longer die

life,excellent wire, force uniform,good recut performance

2.
Most advanced casing technology art process.

3.
World-wide most advanced laser drilled machine.

4.
Good precision polishing machine

5.
Professional Grating Measuring Instrument

6.
Ultra Fine Drawing Machine to test the wire quality

7.
Profession Nikon microscope

8.
Precision Digital readout micrometer

9.
Digital DC Resistance measure equipments

10.
Laser Measurement equipments

11.
Conoptica Quality System