Product advantages: 1. vent valve 2. grease release valve 3. relief valve(safe valve) 4. new resettable fuse 5. new Anti-jamming circuit 6. self-locking button 7. LCD battery display Our products are mainly exported to Europe, Oceania, the North America market, such as England, America, France, Germany, Canada, Switzerland, Australia and other countries and regions. If you have interests or want more details, pls contact me directly.