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Help CenterDrilling Rig Matched Kelly Bar Shock Piling Spring, Piling Damping Spring
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Drilling rig parts shock absorber spring matched kelly bar, rotary driver
Shock absorber spring used for kelly bar or rotary driver 
Drilling rig kelly bar & spare parts
We supply all accessoreisfor rotary drilling rigs, like swivel joint, damper spring, motor, speed gearbox,damper rubber, base parts, like track roller, guide roller, gear ring, pulley etc.,
We have been supply one-stop service for rotary drilling rig since 2004 year, which specialize in producing kelly bar & spare parts, exported used drilling rigs, reapir & maintenanace.
We have been granted 10 patents by State Intellectual Property Office of P.R.China. For example, one of patents No.ZL2012 2 0161611L0, which is used for a multi locking type kelly bar. It's adapt to complicated geological condition and we get good feedback from Bauer, IMT, Soilmec, Mait, Liebherr, XCMG, SANY, Lovol, Yutong, Sunward, etc.
By the way, about kelly bar, We welcome any trusted foreign dealer cooperation in your local place.
High quality aluminum sheet wrapped kelly bar , wooden case for small accessories. The nearest port will be Tianjin port and Beijing airport, both ports are about one hour distance from factory.
YOU ARE MAKING SMART CHOICE
a) . Material & Technical---35CrMo / 27 SiMn / Q234B high alloy seamless steel pipe under quenched-tempered heat treament.
b) . Gold supplier on Alibaba with TRADE ASSURANCE to promise quality and delievery.
c) . Professional experienced R&D department, strictly QA&QC development.
d) . Feedback within 24 hours from professional consultors.
e) . Higher hardness, higher flexibility,excellent welding technology.
f ) . Thinner tube, smaller inter-tube distance, good abrasion resistance.
g) . Advanced technology of 6-key design, standard modular design.
1. Q: What's Material & Technology of Kelly bar?
A: 35CrMo / 27 SiMn / Q345B hIgh alloy seamless steel pipe under quenched-tempered heat treament.
2. Q: What's your delievery time of kelly bar?
A: Within 10 working days after confirmed deposit.
3. Q: What's your guarantee period of kelly bar?
A: 180 days under normal operation.
4. Q: What's your payment terms?
A: 30% T/T as advanced deposit,70% balance before shipment.
5. Q: Where your factory location?
A: Beijing in China, We welcome any visit and distributor cooperaton.
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