DHD 340A ,COP44 ,QL340 / 4 inch high air pressure DTH Drill bit
Q: What's your delivery time?A: Commonly produce need 20-25 days to produce. Within 3or 5 days if in stock.
Q: What methods of payment are accepted?A: We agree T/T, L/C, West Union.
Q: What about the shipment?A: Based on order quantity. We can send it to you by Express, by Air, by Sea, and by Train. Or send the goods to your Chinese agent.
Q: How to control the quality?A: We should be checking & testing everyone button bit before shipment.
Q: Do you agree sample order?A: Yes, we are welcome your sample order to testing our quality.
Q: Can we select the button bit color?A: Yes, We color the product according to the color you need.
Q: Can we change to our mark on the button bit?A: Yes, we can casting your company mark on the button bit. (Except sample order).
Q: Do you have after-sale service and warranty service?A: Any quality or quantity problem once confirmed, we will reply you within 24 hours and give you a solution.
Q: Can i trust your company?A: Our company has been certificated by Chinese government, and verified by Alibaba Trade Assurance,100% refund of the Trade Assurance Amount. Alibaba can guarantee all of your payment, Just order from us!
Q: After Services:
a. Our sales team will response for your question within 24 hours (Holidays Excluded).
b. Technical Support will be available in any time.
If you interesting in DHD 340A ,COP44 ,QL340 / 4 inch high air pressure DTH Drill bit , please contact us ,thanks .