Shijiazhuang World Trade Plaza Hotel is an international five-star hotel, Chinese restaurant, coffee shop, banquet hall and other dining areas, presenting the exquisite realm of global cuisine. The hotel industry is indispensable for the feast of food, usually the catering industry uses liquefied petroleum gas, natural gas, artificial gas and other flammable and explosive gases, which increases the safety risks for the restaurant. Our company provides ASD5300 point type combustible gas detector and JB-TB-ASD5150 Combustible gas alarm controller.