You can get a card when you buy it in the online mall for a certain amount, and you can also enjoy the discount. Baidu search found their membership points:-If you reach 5000 points in a single purchase or 7000 points in a year, you can upgrade to CHJ Royal membership level. -You can upgrade to CHJ Gold Card by purchasing 10000 points or accumulating 12000 points in one year. Level member standard discount valid period Pure gold products inlaid products Pure gold products exclusive discount CHJ Royal Card 5000 points 9.8 fold 9.5 fold cost 30% No 2-year CHJ Gold Card 10000 points 9.5 fold 9.2 fold cost 50% 3-year birthday month, you can enjoy 10% discount on all products with your personal card and identification. Note: There is no discount for loose diamonds except the special price. Discount scope does not include special offers and promotional items, and cannot be used together with other discount cards and promotional activities.

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