タイトルまたは説明

&#****8;take the common diamond as the raw material; adopt the conventional process techniques and manufacture according to international standard; with the regular crystal shape and the low impurity content. &#****8;&#****8;Usage: economical substitute of fine micro-powder, applied in the areas with less harsh processing requirement. &#****8;&#****8;We supply them in 3 grades: B, C & D (Suitable free samples are available upon request.)