| Customized: | Customized |
|---|---|
| Standard: | DIN, API |
| Length: | Taper-length |
| Type: | Center Drill Bit |
| Material: | Tungsten Carbide |
| Usage: | Well Drilling, Oil Drilling |
| Samples: |
|---|
| Customization: |
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Suppliers with verified business licenses
Audited Supplier 
5 1/2"=139.7mm 3-1/2 API REG
Q: Are you a manufacturer or trading company?
A: We are a specialized manufacturer.
Q: What are your main products, and used for?
A: Our products include core barrel, casing, drill rod, drill rig and other drilling parts.They are used for mineral exploration, geological drilling,
Q: How about the delivery terms?
A: 1.Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery
2. Min. order quantity: 1 piece.
3. Transportation: By sea, train.
Q: How about discount?
A: Price is based on products and order quantity.
Q: Do you accept sample order?
A: Yes sure, please contact us for details.
Q: How about your after-sales service?
A: As a manufacturer has 20 years of history we offer prompt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.
Q: Where is your factory located in?
A: Our factory is located in Linqing city,Shandong province, China.
Q: How does your company control the quality?
A: Quality first. In order to guarantee high quality for our products, our always make a serious inspection for all products and raw materials in strict procedure.
We have obtained certificate of ISO9001*Yikuang is professional production of drilling tools, if you want to know more about our products, please feel free to contact us.
Suppliers with verified business licenses
Audited Supplier 
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