The information you may like to know before order:
1. Methods of Payment:
T/T (Telegraphic Transfer) sor Western Union or L/C at sight
2. Handling time for an order
Based on order quantity, normally it takes 25 days for production.
Only 2 or 3 days if we have stock on your request size.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
1. Our sales team will response for your question within 24 hours (Holidays Excluded)
2. Technical Support will be available in any time
3. Free replacement will provide once the failure confirmed caused by our product quality
Description: High strength design ensures high pressure bump and back flow resistance; Withstands long periods of circulation; Automatic fill-up, saves considerable running-in time of casing; Easy drill out with PDC bits; Special non-rotational groove design ensures cementing ...