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Providing services to accelerate your jewelry business
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About NJ Auction (Bidding)
Japan's largest diamond/jewelry auction. Held every month in Tokyo with a wide lineup of 8,000 items on average!
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NJK Auction (Special Site)
A loose diamond auction held in Hong Kong. With our unique network built up from business over 10 years since the first event,many top overseas buyers are participating in this event.