Cov hlau no yog tsim los ua kom tau raws li qhov xav tau ntawm cov hlab ntsha siab, uas yog siv hauv kev lag luam xws li roj thiab roj, kev ua tshuaj lom neeg, tsim hluav taws xob, thiab tshuaj.
Cov cwj pwm tseem ceeb
Kev lag luam tshwj xeeb yam ntxwv
| Hom | Gnee |
|
Qauv nab npawb |
SA 516 gr. 60 P355GH P265GH thiab lwm yam |
| Hom | Hlau Phaj |
| Cov txheej txheem | Kub Rolled |
| Kev kho saum npoo | galvanized |
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