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一、About diamond Diamond is allotropes of carbon,there will be a small amounts chemical component impurities in it. Diamond have maximum hardness in all matter that presently known. Diamond have various shapes,colour:white、yellow、brown.White and light yellow diamond will be jewelry diamond, others will be industrial diamond. |
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| 二、Order with drawing：When our technical personnel can not service to your company, you can fax drawing to us or tell us your situation, our technicl personnel will choose a type suit for you. | ||||
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when you make a drawing,please tell us these message: diamond: ct length: mm angle: °
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