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langfang city,Langfang,Hebei,China China
offers frictional welded drill pipe for horizontal directional drilling and oil drilling, waterwell drilling i
Langfang Fine Drill Co., Ltd is a professional manufacture and exporter of drill bits, drill pipe, swivel for
frictional welded drill pipe for horizontal directional drilling and oil drilling, waterwell drilling industry
1. Enlarger pilot hole. 2. Diameter can be customized. 3. With or without pilot bits. 4. Drilling soft t
Contact Person Ms. Selina Wang
Address langfang city, Langfang, Hebei
We will contact you soon .
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