The 1125 piston for changfa diesel engine's type can be piston,ZS,ZH,EM,SD,KMR etc.The model of this product is 1125.The certificate is ISO9001:2000.The packing ways can be plastic bag and cartons.It can be used in tractors.The application can be tractor,tricycle,truck,Utv and so on.The engine use diesel.And it has long performance life.