wirline corebarrels wire-line drill tools 

Product Description We mainly produce various specifications and standards of geological core drill barrels.  Description  BQ,NQ,HQ,PQ,TW  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 our…