Manager Sun was in his early forties, with a humble smile on his face, because Fu Qingfeng knew that Song Yan did not know how to choose the original stone, so he asked him to explain it first.

According to the introduction of Manager Sun, Song Yan knew that the original stone in the selected stone area was divided into clear and dark materials.

The so-called plain material is the kind of stone with a green opening. The price of this kind of stone is higher, and there is no less than 500,000 yuan. Of course, the possibility of cutting jadeite from this kind of stone is also much greater....