Square yeeb nkab
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Kev tsim kho square square yeeb nkab welded dub steel yeeb nkab
Stainless hlau square raj yog lub hollow sawb ntawm hlau, vim hais tias cov seem yog square thiaj li hu ua square tube. Ntau cov kav dej siv rau kev xa cov kua dej, xws li roj, nkev, dej, roj, nkev, thiab lwm yam, ntxiv rau, hauv kev khoov, torsional lub zog tib lub sijhawm, lub teeb yuag, yog li nws kuj tau siv dav hauv kev tsim cov khoom siv tshuab thiab cov qauv engineering.