Подземные сверлильные инструменты с длинным отверстием утягивающая Резьбовая кнопка центр отверстий T51 89 мм сверла

1. Q：Are you manufacturery or trade company?
A:We are manufacturer, has more than 60 years of professional production experience .Products including DTH Hammer and Bit、Drill Pipe Casing System、Tricone Bit、Top Hammer Drill Rod、 Drill Bit、Tapper Button Bit and Rod、 Integral Drill Rod etc.

2.Q: Do you offer warranty on your products?
A: Yes. For different products we offer different warranty that cover all manufacturing defects in materials and workmanship. The longest period of warranty is 6 months after shipping date.

3、Q: How is your quality control?
A: We have our own experienced QC.There will be strict inspection and testing for every order before shipping out.

4.Q: How long is your delivery time?
A: 1-3days for the products in stock； regular order delivery in 2-3weeks.

5.Q: After Services:
A: (1) Our sales team will response for your question within 24 hours (Holidays included).
(2) Technical Support will be available in any time.
(3)Free replacement will provide once the failure confirmed caused by our product quality.

6. Q:Methods of Payment:
A:We offer different payment terms, including T/T, D/A, D/P, L/C and O/A, etc. You can choose your preferred payment methods before we shipping the goods.