Oxtail Stew

oxtail stew / beef stew ingredients：
oxtail 1kg
flour as needed
salt 8g 1 teaspoon
fennel seeds 4g 1 teaspoon
dried bay leaves 3
star anise 3
cinnamon stick 1 small
Sichuan pepper corns 5g 1 tablespoon
dried chili peppers 10g 1/4 cup
green onions 2
ginger 1 big piece
regular soy sauce 15g 1 tablespoon
dark soy sauce 15g 1 tablespoon
carrot 1
white radish 1/3