45MnMoB Geological Drilling Pipes Core Tubes 

Product Description Our drill pipes have a lot of material grades, like 45MnMoB, 30CrMoSi,30CrMoSi-A,R780,38Mn2V  Description  BQ,NQ,HQ,PQ  Quality  High  Port of shipment  Shanghai  Delivery time  Quantity  OEM/ODM  Customization Service Provided Product show Company Information   Packaging & Shipping   FAQ Q1: Wonder if you accept small orders? A1: Do not worry. Feel free to contact us .in order to get more orders and give ou…