casing extraction
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The casing drilling is obtained by driving a steel siding into the ground in order to protect the whole drilling operation; <br> German type or Japanese type are optional<br> 15+ years history<br> 200+ good feedback<br> Customized services
Diameter: 500-3000mm or customized<br> Thickness: 40mm-60mm or customized<br> Length:1-6m or customized<br> 15+ years history<br> 200+ good feedback<br> Customized services
Double-walled casings can be used universally, as they are designed especially for transmitting high rotational and vertical forces as created by the rotary drives and oscillators.<br> Diameter: 500-3000mm or customized<br> Thickness: 40mm-60mm or customized<br> 15+ years history<br> 200+ good feedback<br> Customized services
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Headquarters: Building 12, Phase I, China Resources Land Plaza, No. 266 Dongliu Road, Xingsha Economic Development Zone, Changsha City, Hunan Province, China
