drilling crossover sub

Quick Details Place of Origin:Hebei, China (Mainland) Brand Name:JS Type:adaptor sub Machine Type:Drilling Tool Certification:ISO Material:Carbon Steel Processing Type:Forging Use:Ore Mining Supply Ability Supply Ability:500 Set/Sets per Day Packaging & Delivery Packaging Detailswooden carton or steel carton PortTianjin / Shanghai / Erlianhot Lead Time :within one week Product Description Jinshi supplies various types of adapter subs and couplings to enable connection of rods