... in manufacturing the brand of "Shengsong" series BBQ GRILL and SNACk DEVICE,etc.We have independently developed XIR( ... which the tradditional ones solely depend on fanregulation to adjust grill temperature and their power source are inconvenient. However, ... friendly,strong XIR(extreme infrared)penetrating power,well-proportioned grill temperature;avoiding plating-out and damaging the bamboo stick. ...