Introduction:
1. High quality and competitive price.
2. Soilmec standard Drill rod extension , as well as the customized single wall casing etc.
3. Long time use.
4. Quickest and most efficient response.
The drill rod extension structure of the drill pipe of the rotary drilling rig is connected with the core section drill pipe body of the rotary drilling rig, which is characterized in that the drill rod extension structure comprises a connecting head, a transition pipe, a spring seat and a connecting pin; The connector is an integral solid structure, the cross section of one end is square to form a square connection end, and the cross section of the other end is circular to form a circular connection end; The transition pipe is hollow and sleeved on the outer peripheral surface of the circular connecting end; The core joint drill pipe body is a hollow structure and is sleeved on the outer peripheral surface of the transition pipe; The spring seat is sleeved on the outer peripheral surface of the circular connecting end and abuts against the end of the square connecting end; The connecting pin passes through the connecting head and the transition pipe and is pin connected with the core joint drill pipe body.
FAQ
1. Who are we?
We are based in Beijing, China, start from 2009,sell to South Asia(30.00%),Domestic Market(20.00%),Southeast Asia(8.00%),South America(5.00%),Western Europe(5.00%),Mid East(5.00%),North America(5.00%),Central America(5.00%),Africa(5.00%),Oceania(5.00%),Eastern Asia(2.00%). There are total about 51-100 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.What can you buy from us?
Interlock Kelly Bar,friction kelly bar,drill bucket,casing,used bored piling rig
4. Why should you buy from us not from other suppliers?
Our company mainly produce the kelly bar,drill bucket, casing,used rig ,drill spare. we have the professional engineers and team, focusing on the manufacture of kelly bar, drill tools,casing series for 16 years, can satisfy different clients requirement.
5. What services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,DDP,DDU,Express Delivery,DAF,DES；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,HKD,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,Credit Card,PayPal,Western
