Just polish it with a small oilstone first. If the final carving is thicker, it should be polished with oilstones of different thicknesses in turn.

In the past, there were two grindstones for grinding kitchen knives, thick and thin. Thin slices are called grindstones. Of course, jadeite grinder and oilstone grinder may be different.

2. Green silk is used in the second process.

It is to polish the surface with a grinding wheel and push it repeatedly.

One or two processes are often coated with dye first, which can't be washed off. The function is to know which one has been ground and which one has not. Polishing powder is also indispensable.

3. Nailing in the third process

4. Sandpaper in the fourth process.

Use sandpaper with different thickness to polish the carved large area in turn to prepare for the next process. This step is generally polished with low-grade to high-grade sandpaper first. It is to dip nails in diamond powder to complete the details of carving. Also known as drilling and grinding, various grinding heads are replaced according to the requirements of carving.

Step five, brush.

A surface carved with a high-speed brush of diamond powder. This step is basically 80% completed, so this step is also critical and requires patience.

Sixth working procedure cleaning

The purpose is to clean the residual polishing powder and stains on the polished jade. It is mainly cleaned by ultrasonic machine, and the parts that cannot be cleaned are wiped with alcohol. Many carefully carved products are slightly warped in potholes, and toothpicks are often used.