Black Hitachi EX400-5 Excavator Top Roller Strongly Cranck Resistance

1 . You are a trader or a manufacture?
We are an industry and trade integration business,main manufacture undercarriage spare parts for Excavator & Bulldozer , such as Track Roller , Carrier Roller , Sprocket , Idler , Track Link , Bolt & Nut and so on and at the same time we also supply with other items , such as Bucket ,Track Shoe , Spring , Link Rod and so on.
2 . How can I be sure the part will fit my excavator?
Give us correct model number / machine serial number / any numbers on the parts itself. Or measure the parts give us dimension or drawing.
3 . How about the payment terms?
We usually accept T/T or L/C. other terms also could be negotiated.