Our SD drill rods & casing pipes produced by CNC machine, and choose high grade steel material thru heat treatment of the steel tube & thread joint to improve the steel material streagth and insurance the thread wear life.
Produce choose: Cold galvanizing and Hot dip galvanizing
Galvanized choose: Inner galvanized, outer galvanized, galvanized inside & outside.
Length: 1.5m, 3m, 4.5m, 6m, 7m, 8m, 9m, 10m, 11m, 12m or based on yours.
Use: Keep the hole diameter & protect the drilling equipments.
Q: What's your delivery time?
A: Commonly produce need 20 days to produce. Within 3 days if in stock.
Q: What methods of payment are accepted?
A: We agree T/T, L/C, West Union, One touch, Alipay, Money Gram, Paypal.
Q: What about the shipment?
A: Based on order quantity and the length of casing pipes. 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 casing pipe before shipment.
Q: Do you agree sample order?
A: Yes, we are welcome your sample order to testing our quality.
Q: Does your casing pipe have heat treatment?
A: Yes, the heat treatment for our drill rods and casing pipes.
Q: What's the method of galvanized casing pipes?
A: We have cold galvanizing and hot dip galvanizing casing pipes for choose.
Q: Do you have after-sale service and warranty service?
A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.
