Good wear deep hole drilling machine casagrande OD470 friction kelly bar

Good wear deep hole drilling machine casagrande OD470 friction kelly bar

                        Kelly Bar Production Process

Interlocking kelly bar is of great pressure transmission and good anti-contortion perfomance. There are 3 rigid parts between drilling pipes to transfer greater pressure from embedding cylinder. And even at the hard geologic condition it can transfer greater pressure and drill in. Stair key, organization transmission, the outside key is made by highly wear-resisting tempering steel. For soft fromations, (weak) weathered rock, hard strata construction.

FAQ

1. who are we?
We are based in Weifang Shandong, China, start from 2004,sell to Africa(19.00%),Mid East(15.00%),South America(14.00%),North America(12.00%),Southeast Asia(12.00%),South Asia(11.00%),Eastern Europe(10.00%),Domestic Market(1.00%),Oceania(1.00%),Southern Europe(1.00%),Northern Europe(1.00%),Central America(1.00%),Western Europe(1.00%),Eastern Asia(1.00%). There are total about 101-200 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?
Interlocking Kelly Bar,Friction kelly bar,Drilling tools,Casing,Tremie Pipe ,Used Rigs,Rotary Drilling Rig Spare Parts.

4. why should you buy from us ?
For more than 10years,Beijing Jietaihongli Technology CO., Ltd. has been a trusted name in the kelly bar and pile driver manufacturing industries.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA,CPT,DEQ,DDP,DDU,Express Delivery,DAF,DES;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,D/P D/A,MoneyGram,Credit Card,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Japanese,Portuguese,German,French,Russian,Korean,Hindi,Italian