FRINGS, the world market leader in vinegar technology, designs and supplies new vinegar plants or adopts existing ones to the latest standard of technology, including the heart of a plant, the Acetator and sophisticated variety of peripheral equipment, as well as computerized process control system. With these plants our customers can produce biological vinegar with maximum acidities of more than 20%. And up to now FRINGS has offered services for 70% vinegar plants of all over the world. Frings offers technology and equipment for four main processes: a) Continuous fermentation Raw material: pure alcohol, wine, rice wine, special fruit wine Maximum Acidity: 9% b) Normal batch process Raw material: pure alcohol, wine, rice wine, special fruit wine Maximum Acidity: 14% c) Single stage high strength process Raw material: pure alcohol Maximum acidity: 17-18% d) Dual stage high strength process Raw material: pure alcohol Maximum Acidity: over 20% Conclusion Due to the constant development of the vinegar production process by Frings so far a productivity and yield level is reached, which no other company can offer. 95% yield and 28 Wh energy consumption per litre 10% vinegar may lead to production cost below 0,4 RMB per litre 10% vinegar. Combined with the advantages as a natural, healthy and biological made product, white vinegar production with Frings technology is the only alternative instead of using chemical made acetic acid with all it`s disadvantages.