DP,DC,HWDP&Kelly HB:Arnco100XT,150XT,300XT, Botn1000,3000 IPC: ... -1,API 5DP, NS-1,RTN,GO Our API 5 DP drill pipe are of high physical property, for their strictly confrolled ... full-length inspection especially on weck-neck region ensurees the drill pipes are of no defeets.If you are satisfied with ...