1. Kuj muaj peev xwm muab txoj hlua khau rau inch diameter-150 hli, siab ntev txog 6000 hli.
Thaum koj muaj kev tshwj xeeb tshaj qhov ntev, peb tuaj yeem ntsib koj txoj haujlwm ua haujlwm nrog ntau qhov ntev, xws li thaum koj thov saum toj 6000mm, peb tuaj yeem tiv thaiv tau rau koj.
2. Thaum koj muaj kev tshwj xeeb ntawm kev siv, xws li threading, coaxial qhov drilled thiab tapped, radial qhov drilled thiab tapped, txo linear ncej diameter thiab lwm yam, peb tau machine rau koj, thiab cov cav tov tshwj xeeb tiav tom qab kev kho mob thiab chromic uas yuav xyuas kom meej cov lus ntawm cov khoom.
