mòh gū lóuh chāu
蘑菇 is mushroom and 老抽 is dark soy sauce, so 蘑菇老抽 is mushroom dark soy sauce.
Mushroom-flavored soy sauce is a dark soy sauce, typically used, sparingly, to add darker color to sauces.
soy sauce
light soy sauce
sweet soy sauce
sesame oil