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I'm reaching out to inquire about the possibility of ordering a custom set of mahjong tiles. I'm particularly interested in a variety of colors for the tiles, but would like the main color to be white. It's important that the design is both visually appealing and maintains the traditional look of mahjong tiles, while also allowing for some creativity in color combinations. Could you let me know if this customization is possible and what the minimum order quantities would be? Additionally, I'd like to understand the pricing structure for such customizations and the expected lead time for production. Any details regarding material options and finishing would also be appreciated. Looking forward to your response!