Soy sauce can be drizzled with hot oil and then put directly or after heating, generally depends on what you do, the good steamed fish can be drizzled and then heated, vegetables can be added directly to the mix can be.
Steamed fish soy sauce is usually used to steam fish with a soy sauce, that is, soy sauce. Soy sauce is a seasoning used in cooking with Asian characteristics. Soy sauce is made from soybeans, water, salt, and fermentation.
Soy sauce is a liquid brewed under the action of various enzymes secreted by various microorganisms as they multiply. The ingredients used to make soy sauce vary from country to country and region to region, using different ingredients and flavors, with the more unusual being Vietnamese fish sauce (using fresh fish).
Making ingredients
Water, sugar, salt, soybeans, wheat flour, yeast extract, and food additives. Amino acid nitrogen Greater than or equal to 0.55g/(varies slightly by brand)
Reference Steamed Fish Soy Sauce Baidu Encyclopedia