Customized Double wall casing tube, casing shoe, casing drive adapter with double row casing bolts. With forging casing joint, the service life will be much longer than the welding type and Casting type casing joint.
Name: Leaddrill
Mobile：+8615111295229
Tel：+8615111295229
Whatsapp：15111295229
Email：info@leaddrill.com
Add：1001 Yingshuang Rd. Yuelu District, Changsha, Hunan, China
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