Chinese cooking is the world's largest cuisine, and the foreign perception ("Chinese food") collapses thirteen regional cuisines into a single category. Cantonese is not Sichuan is not Hunan is not Shanghainese is not Northeastern. Each has its own pantry, technique vocabulary, and dialect of heat.
The throughline is wok hei — the "breath of the wok," the smoky depth that only comes from a screaming-hot carbon-steel pan and a brisk hand. Most home stoves can't reach the temperature of a Sham Shui Po line cooker, and Souschef's Chinese recipes are honest about that: a flat-bottom wok on a powerful gas burner gets you 85% of the way there, and the other 15% is what you'd buy at a restaurant.
Five sauces (light soy, dark soy, oyster, Shaoxing wine, sesame oil) plus the trinity (ginger, garlic, scallion) cover most of the Cantonese repertoire. Sichuan adds doubanjiang and Sichuan peppercorn. Once you have the pantry, the recipes are mostly about technique and timing.