Hongjin madzi utakhazikika xenon nyali weathering mayeso makina Kuchuluka kwa ntchito: Ntchito zipangizo magalimoto, mapulasitiki, inki, utoto ndi zokutira, ma CD, zipangizo photochemical, ndi inki, utoto, stabilizers ndi zina, mafakitale ndi pamwamba nsalu, etc.;amagwiritsidwa ntchito poyesa ndi kuwunika...
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