Daewoo Hely good. Efficiency, Daewoo Hely barbecue grill without preheating, that is, open the grill, energy-saving and efficient, while the blue sky Boco and black diamond need to preheat, hot slow. Functionality, Daewoo Hely can meet the grill can also fry and stew, while the blue sky Boco and black diamond can only grill, and the capacity is also small.