Combine sweet and sour sauce, hoisin sauce, chili sauce and orange juice in a large skillet. Add meatballs and bell peppers. Heat on medium-low, stirring frequently, for 12-15 minutes or until glaze is almost totally reduced. Transfer meatballs to a serving dish. Garnish with reserved bell peppers. Serve warm.
Provide decorative toothpicks or skewers for eating meatballs. Makes approximately 16 appetizer servings.