Q1.What parts you have? A:We are specialized in the excavator spare parts, such as electrical parts,rubber series,pressure sensor series,valve series,miniparts,wearing parts and so on. If you have a lot of products to customize, we can also produce them. Q2.How will you guarantee the quality? We will test and send testing video to buyer confirm before shipping. Q3.If i don't have part number, can you check for me? A: Yes, If possible, you can send us pictures of old products, nameplate or the size for reference. Q4: What is the warranty of the parts after I purchased? A: The warranty is 6/12 Months based on the item details. For natural broken, 3 months. Guarantee genuine parts. Q5.When will get the items after I place order? Once your payment is confirmed, we will arrange the goods within 24 hours; if not in stock , we will inform you before placing the order. Q6. How about your delivery time? A: It depends on the order quantity and the season you place the order. Usually we can ship within 7-15 days for small quantity,and about 30 days for large quantity. Q7. How can I do if there is something wrong with the items? A: Our products have been professionally tested and the quality is very stable ,if you really found something wrong ,pls contact us , We have a professional after-sales team to help you solve the problem . Q8. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery