Nov 26, 2019
Dab Tsi Yog Cov Muaj Yeeb Hlau Me Me
Cov Hlau Me Me (MS) raug tsim tawm uas siv cov pa roj carbon tsawg (tsawg dua 0.25%) steel.
Ntau
Nov 26, 2019
Yuav Ua Li Cas Yog Hlau Yeeb Galvanized
Thaum cov yeeb nkab steel raug coated nrog tiv thaiv txheej ntawm zinc, tom qab ntawd nws dhau los ua galvanized steel yeeb nkab.
Ntau
Nov 26, 2019
Nres Tau Ntau Lawm Thaum Ua Suav Caij Tsiab Peb Caug
Txhua txhua xyoo Suav chaw ua lag luam yuav nres ntau lawm rau Lub Caij Nplooj Ntoos Hlav Tshaj ...
Ntau
Nov 25, 2019
Nov 25, 2019
Nov 25, 2019