The Diamond Trading Company (DTC) is the rough diamond sales and distribution arm of the De Beers Family of Companies and is the world\'s largest supplier of rough diamonds, handling approximately 40% of the world\'s supply by value.

www.dtc.com - 2021-12-22 - 收藏 点击查看

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www.520.cn - 2021-12-07 - 收藏 点击查看

广州市金锐金刚石工具网拥有24年的专业技术和口碑的金刚石砂轮厂家,主营:金刚石砂轮、电镀砂轮、树脂砂轮、陶瓷砂轮等金刚石工具

www.jrdiamondtools.com - 2021-11-20 - 收藏 点击查看

Diamond Rio World Wide Web Site.

www.diamondrio.com - 2021-11-19 - 收藏 点击查看

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www.diamondmm.com - 2020-02-22 - 收藏 点击查看