Cov lus piav qhia luv luv:

Kub kuav los tiag steel hlau yog tsim los ntawm dua cov ntawv hlau los ntawm yob kom ua tiav lub cev qhov ntev. Cov khoom tiav lawm muaj qhov ntxhib saum npoo ua tiav nrog radiused fab, thiab ob qho tib si welded lossis seamless kev tsim kho. Kev tsim cov xov tooj cua txias sib dhos ua ke steel tubing koom nrog dov hlau ntawm qhov kub siab tshaj 1,000