William Sin
PEOPLE | PIECES

William Sin’s quest to set new standards with Hallmark Jewellery

At 25, this director of a jade supplier-turned-manufacturer wants to inject new life into a traditional, local industry while uplifting creative freedom among jewelers. Ornamental jadeite has a long history in Asia, decorating the finest and most important members of society, including the imperial family of Chinese empires. William Sin can tell you all about…


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