Throughly clean the pork ribs. Remove the film along the ribs.
Combine tomato sauce, tomato ketchup, Spanish paprika, garlic onion, Italian Seasoning, cumin powder, brown sugar, Light Soy Sauce, Oyster Sauce, Cerveza Negra, Salt and Ground Black Pepper. Mix until free from lumps.
Marinate the pork ribs for at least an hour or overnight.
Place water, Cerveza Negra, garlic, onion and the marinade in a pressure cooker. cover with rack and boil.
Place the pork ribs into the pressure cooker and cover. Cook for 40 minutes.
Take out the pork ribs form the pressure cooker. Simmer the sauce until reduced to thick consistency. Baste the sauce onto the pork ribs.
Bake the pork ribs in an oven, pre - heated at 220 degrees Celsius for 15 minutes.
Serve with the remaining sauce.