Vacuum aluminum foil bags are suitable for all kinds of meat, seafood, vegetables and fruits, sauce products, frozen meat, medicines, hardware and other products. The following small problems often occur; compound packaging bags, plastic packaging bags, oil valve environmental pollution, too little or too thin, replace new oil, oil return valve is blocked, need to clean the pump or replace new oil valve; Electricity, check the relays, tee joints, pump suction valves and sealing gaskets near the personal studio for air leakage; vacuum packaging bags, tea packaging bags exhaust pipe filter devices are blocked or the installation site is skewed, clean or replace the exhaust If the filter device is blocked or the environment is polluted, the exhaust pipe filter device needs to be cleaned or replaced. food bags, food packaging bags