Pickled silverskin onions

small white onions 57.2% , water 21.4% , spirit vinegar acetic acid 10.7% , salt 0.2% , Preservative 0.2% , storage store in a cool 0.2% , dry hd place 0.2% , once opened 0.2% , lbu keep refrigerated and consume within 4 weeks 0.2% , 00 00 no drained weight 9.7%