ash (lime) 10 to 12 kilograms low sodium sulfite (insurance powder) 100 ~ 200 g process choose melon (choose meat thick and solid wax gourd) - abandon skin (with a little blue) - bar cutting (long 40 mm high width 8, 10, 12 mm) - pickled grey water (pH12 ~ 13, 24 hours) - drift water (24 hours, in water 8 ~ 10 times, pH7) - blanching (boil, put insurance powder) - cooling (24 hours, in water 2 ~ 3 times) - leaching sugar (sugar water is not low threshold beauty 37 , 24 hours) - candy (with 30 b