Langfang Baiwei Drill Co., Ltd.

Stainless Steel Pipes
Drill pipes

Drill pipes

Drill pipes: 1. steel grade:S135 (better quality) 2. specification:73x9.19x4500mm 3.thread: for Ditch Witch JT4020  we can provide  all sizes drill rod as customer's request.  Two force regions The threads of the non-dig drill pipe produced in the company...



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