Tag nrho cov hlua hlau yuav tsum tau welded los ntawm cov pa roj welding , tab sis cov vuam ua hauj lwm zoo dua qub yog qhov tsawg dua thiab tus nqi yog siab tshaj qhov kev siv hlua tes. Roj welding yog dav siv rau cov txij nkawm ntawm cov pa roj pipeline, dej ncig tshuab, thiab cov kav dej me me. Rau lub me me-kab steel yeeb nkab, nws tsis yog tsim nyog los ua cov yeeb nkab kawg thaum lub sij hawm welding. Rau cov yeeb nkab hlua nrog ib lub cheeb ntawm tsawg tshaj 50 hli, tsuas yog qhov kawg ntawm cov yeeb nkab tuaj yeem ua tiav.
Hu rau cov lus qhia
TEL TSIS MUAJ: 0086-571-87169872 / 87169873
FAX TSIS MUAJ: 0086-571-87169573
EMAIL: exporting02@hzdayang.cn
