Nrog kev txhim kho txuas ntxiv ntawm tib neeg, corrugated ntawv ntim tau dhau los ua ib feem tseem ceeb ntawm tib neeg lub neej txhua hnub. Corrugated ntawv ntim yog dav siv nyob rau hauv ntim ntawm ntau yam khoom, xws li khoom noj khoom haus, electronics, khaub ncaws, thiab tshuaj pleev ib ce, vim nws ...
Nyeem ntxiv