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…