Chinese Braised Pork Ribs

Name: Chinese Braised Pork Ribs
Total time: 1 h 55 min
Yield: 3 servings
Cuisine: Chinese
Ingredients: pork ribs; 1 spoon salt; 1 small spoon flour; A little white vinegar, for cleaning; Scallions, for blanching, braising and garnish; Ginger slices for blanching, plus 3 slices for braising; Cooking wine, for blanching; 2 star anise; 8 dried red chilies; 1 can beer; 1 spoon light soy sauce; 0.5 spoon dark soy sauce; 1 small spoon oyster sauce; 1 spoon sweet bean sauce; Water, enough to cover the ribs