Spicy soy sauce is not soy sauce, but also called juice, black vinegar, spicy vinegar soy sauce, British black vinegar or Stesa. Its earliest source was Lord Hill, Governor of Bangladesh, who brought it back to England, and Justice Gray of India brought it back to England. Either way, it originated from India and Bangladesh, and was improved for the first time in Britain, becoming a company of Wu Stesa, with a famous Lipalin brand.

The main raw and auxiliary materials of lipailin brand Stesa company are barley vinegar, white vinegar, molasses, sugar, salt, anchovy, tamarind extract, onion, garlic, celery, horseradish, ginger, pepper, cinnamon, cardamom, kaempferia kaempferia, vanilla and fennel, and/kloc. The disclosed method is made by heating, boiling and filtering. Li Pailin claims that until today, its formula is strictly confidential, and only a few privileged people know the exact ingredients.