HDL Tomato Flavour Hot Pot Seasoning Sauce 220g is based on the hot pot soup seasoning mix used in the Haidilao restaurant chains initially established in the Szechuan province. The HDL is the shortened version of Haidilao, which means fortune in Sichuan dialect. The Haidilao hot pot sauces and seasonings are very famous in Europe and US due to the presence of HDL restaurants.