Case Size: 12/18.6 fl oz. Gold Plum Chinkiang Vinegar is a rich, dark vinegar used in Chinese cooking to add depth to sauces and dressings. Gold Plum Chinkiang Vinegar (18.6 fl oz) is a versatile ingredient used to create authentic Chinese flavors. Its rich, slightly sweet taste enhances a variety of dishes, from stir-fries and sauces to soups and dressings, making it a must-have for Asian-inspired recipes.