Lub Yuantai Derun lub square hollow section, rectangular hollow section, circular hollow section, pre galvanized steel yeeb nkab, kub-dip galvanized steel yeeb nkab thiab lwm yam khoom nqa tawm EN10210, EN10219, ASTM A53, ASTM A500, ASTM A501, ASTM A106, BS1387, JIS STKR400, JIS STKR490, GB / T700-2006, GB / T6728-2002; Ob chav sab submerged arc kauv steel yeeb nkab, thiab seamless steel yeeb nkab yuav tsum ua raws li GB / T9711-2011, API Spec 5L thiab API 5CT qauv ntawm Tuam Tshoj roj av kev lag luam.

Lub tuam txhab Yuantai muab qhov tseem ceeb rau qhov zoo ntawm cov khoom, nqis peev ntau hauv kev qhia txog cov khoom siv siab heev thiab cov kws tshaj lij, thiab mus tag nrho tawm kom tau raws li cov kev xav tau ntawm cov neeg siv khoom hauv tsev thiab txawv teb chaws. Hauv xyoo 2023, Yuantai Derun pawg kuaj tau dhau CNAS daim ntawv pov thawj.

Cov ntsiab lus ntawm kev sim cov hlau hollow section tuaj yeem muab faib ua: cov tshuaj lom neeg sib xyaw, lub zog tawm los, lub zog tensile, cov khoom cuam tshuam, thiab lwm yam

Tib lub sijhawm, lub tuam txhab kuj tseem tuaj yeem ua qhov kev tshawb pom qhov tsis zoo hauv online thiab annealing thiab lwm yam txheej txheem kho cua sov raws li cov neeg siv khoom xav tau.