Aluminium Square Tubing: Yopepuka, Yolimba, komanso Yosiyanasiyana Yoyambira Machubu a aluminiyamu square ndi zinthu zomwe zimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana, omwe amadziwika ndi zinthu zapadera komanso ntchito zake. M'nkhaniyi, tiwona mbali zosiyanasiyana za aluminiyamu square chubing, ubwino wake ...
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