Connectors / Accessories接头/配件类材质：采用低碳合金钢为原料。类型：主要分为锚索钻杆连接器，地质钻杆接头，手持式气动钻机接头，各种钻杆变径接头和岩芯套管变 径接头等系列产品。Material: liigh quality low carbon steel as raw materials.Type: Main anchor into the drill pipe connector, geological drill pipe joints, hand-held pneumatic drills joints, adjustable joints and all kinds of drill core sleeve adjustable joints and other products.