Kev faib tawm ntawm cov hlau phaj (xws li sawb hlau):
1. Kev faib tawm los ntawm tuab: (1) phaj nyias (2) phaj nruab nrab (3) phaj tuab (4) phaj tuab ntxiv
2. Muab faib raws li kev tsim khoom: (1) kub dov steel phaj (2) txias dov steel phaj
3. Kev faib tawm los ntawm cov yam ntxwv saum npoo: (1) galvanized ntawv (kub-dip galvanized ntawv, electro-galvanized ntawv) (2) tin-plated ntawv
(3) Composite steel phaj (4) xim coated steel phaj
4. Kev faib tawm los ntawm kev siv: (1) Choj steel phaj (2) Boiler steel phaj (3) Shipbuilding steel phaj (4) Armor steel phaj (5) Tsheb steel phaj (6) ru tsev steel phaj (7) steel phaj (8) ) Hluav taws xob steel phaj (silicon steel ntawv) (9) Caij nplooj ntoos hlav steel phaj (10) lwm yam
Peb tuaj yeem ua cov khoom siv raw rau koj, ntawm no muaj qee yam khoom rau koj siv.
Post lub sij hawm: Oct-28-2019