Feature:
The Spiral Drill Collar of seaco is made from AISI 4145H modified alloy steel, and completely meets the requirement of API Spec 7-1 and SY/T5144 Standard.
API non-magnetic drill collar
non-magnetic drill collar (spiral drill collar)
11" non-magnetic drill collar
Standard:API Spec 7
Material:AISI 4145H, AISI 4145 H Modidied,Non-mag material
Specification:
OD:3 1/8"-11"
Length:10'-31'
FAQ |
Q: How can I place order? |
A:You can contact us by email about your order details, or place order on line |
Q: How can l pay you? |
A:After you
confrm our Pl, we will request you to pay.T/T (HSBC
bank) and Paypal, Western Union are the most usual ways we are using |
Q: What's the order procedure? |
A: First we
discuss order details, production details by email or
TM. Then we issue you an Pl for your confirmation.You will be requested to do prepaid full payment or deposit before we go into production. After we get the deposit, we start to process the order. We usually need 15-25 days if we don't have the items in stock. Before production has been fnished,we will contact you for shipment details, and the balance payment. After payment has been settled, we start to prepare the shipment for you. |
Q:How do you take care when your clients received defective products? |
A:replacement.
If there are some defective items, we usually credit to
our customer or replace in next shipment. |
Q: How do you check all the goods in the production line? |
A:We have
spot inspection and finished product inspection. We check the goods when they go into next step production procedure. |