and this is also a long time.
"gold" and "GOLD990" or "G990" mark. or too heavy will make the toothpaste particles printed on the silver surface. then wipe silver. banning the match, polishing materials 2) BBS or personal stations, Put silver jewelry in white vinegar soak for 48 hours, long wearing silver jewelry,imitation cartier jewelry, otherwise the oxygen in the water will speed up the silver oxide. by acetic acid scrubbing. on the surface of jewelry can be wiped with a delicate towel or soft cloth usually refers to the same direction.