1. 20 ″ N80Q BC API 5CT Casing Coupling.

2. Cov ntaub ntawv raw khoom siv los ntawm peb lub tuam txhab yog txhua yam yuav khoom los ntawm cov lag luam loj thiab cov khoom lag luam zoo hauv tshuab steel.

3. Cov Qauv Txuj: API 5CT 9th lossis API 5CT 10th, API 15B lossis API 16B, raws li cov neeg siv khoom thov.

4. Cov Ntawv Qhia: Raws li qhov tseeb ntau ntau xa khoom.

5. Kom muaj nuj nqis: Raws li cov neeg siv khoom thov.

Tom qab xyoo ntawm txoj kev loj hlob, peb lub tuam txhab tau maj mam dhau los ua qhov kev lag luam zoo hauv tuam txhab kom paub txog thiab cov kws tshaj lij ntawm cov roj txuas ntxiv. Los ntawm qhov muaj txiaj ntsig zoo thiab tus nqi qis ntawm cov khoom lag luam thiab cov kev pabcuam zoo tshaj plaws rau cov neeg siv khoom, peb lub tuam txhab tau yeej lub koob npe zoo hauv kev lag luam hauv tsev thiab txawv teb chaws, kev lag luam tau nce xyoo ntawm xyoo, thiab cov khoom lag luam xa tawm mus rau Tebchaws Meskas , Lavxias thiab Canada. Cov tebchaws Es Xias sab hnub tuaj thiab lwm thaj chaw thiab cov teb chaws, qhov txawv ntawm kev xa tawm ntawm kev muag khoom ntawm cov khoom lag luam nyob deb dhau 80%.