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 DTH 3.5 Drill hammer and drill bit , please contact us .