All mugs pass international food-grade safety test with low lead and cadmium content, safe for daily dishwasher and microwave use without glaze fading. We support OEM & ODM custom services including glaze color adjustment, pattern revision and custom LOGO printing, suitable for home daily drinking, café matching and bulk wholesale gift orders. Our factory holds BSCI certification, with stable monthly output and shockproof independent packaging to lower breakage risks during cross-border long-distance shipping.