Case Size: 1/18.6 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 traditional Chinese vinegar with a complex, tangy-sweet flavor, ideal for enhancing sauces, dressings, and stir-fries. Its depth of flavor adds authenticity and richness to a variety of Asian dishes.