China AISI 4145H Drill Collar Manufacturer PipesTec offers AISI 4145H Drill Collar 2, API SPEC 5DP, API SPEC 7-1, 165.1*9.15mm, NC50 Thread, 46.85mm.
Copyright © 1994 - 2016 PipesTec Industrial Group limited All Rights Reserved. Privacy Policy | Terms of Service | Sitemap