Morón de la Frontera White jade
How to evaluate the whiteness grade of Hetian jade
ReefEngineer Su Xuan commented: not bad, very expensive
Morón de la Frontera Lu Zhengming comments: visual observation is good
Morón de la Frontera Shuangjiangaty comment: how much is the price
Morón de la Frontera Comment: not bad.
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