... 5mm-20mm Thread: LTC,STC,BTC,EUE,NUE oil casing pipeAPI 5CT, ISO9001 Approved OD: 114.30mm ... : 10.36-14.63m(34-48ft) Our oil casing pipes and line pipes have passed the certificate ... of API and granted the right to use the Official API Monogram. The certificate ... We do hope that we can establish a long-time, steady and win-win relationship and try our best to support your business. oil ...