Ammann Impact Rammer vs FURD Impact Rammer which is better

Ammann Impact Rammer and FURD Impact Rammer Which one is better? What is the difference between Ammann Impact Rammer and FURD Impact Rammer which is of good quality, the editor learned through comparative analysis Ammann ACR 70DRAMMERS,Ammann ATR 68 CRAMMERS,Ammann ATR 60 CRAMMERS,Ammann ATR 68 PRAMMERS,Ammann ATR 60 PRAMMERS,FURD FYCH-80 Gasoline Tamping Rammer performance characteristics and detailed parameter configuration for the majority of netizens to refer to, understand Ammann Impact Rammer and FURD Impact Rammer Which is better, please pay attention to global-ce.