1)Process:Lost wax process 2)Material:High Alloy steel3)Caterpillar,Komatsu,Jcb,Daewoo,Hyundai,Volvo Machines. Ningbo Exist Machinery Trade Co., Ltd. specializes in producing engineering machinery parts that include excavator bucket teeth, adapters,suitable Pins&retainers,undercarriage parts, automobile parts, ship train parts and wear-resistant parts. We have all kinds of Caterpillar,Komatsu,Jcb ...