Lanzhou Beef Noodle Soup

Name: Lanzhou Beef Noodle Soup
Prep time: 2 h
Cook time: 1 h
Total time: 3 h
Cuisine: Chinese
Ingredients: 1 beef oxtail ( , around 1000g, cut into 2cm thick pieces); 250 g back bones; 250 g chicken bones; 500 g beef shank; 2 green onions; 1 thumb ginger ( , sliced); 2 scallion whites; 3 L water; salt to taste; Noodles for serving; 2 star anise; 1 small piece of Chinese cinnamon; 2 bay leaves; 1/4 tsp. Sichuan peppercorn ( , must); 4 cloves; 1/4 tsp. whole cumin seeds; 1/8 tsp. fennel seeds; 1 cardamom; 3 Amomum Cardamomum pods; 1 dried chili pepper; 1 Amomum tsaoko; 1 cup chopped coriander; 1 cup chopped garlic leek; half of a daikon radish; chili oil ( , as needed)