Ndife akatswiri opanga zovekera Malleable chitsulo chitoliro ku China, ndi zaka zoposa 30 m'munda uno.The katundu katundu ku mayiko ambiri, monga, United Kingdom, Poland, Russia, Australia, Malaysia, Indonesia, Saudi Arabia etc. Ambiri makasitomala takhazikitsa zabwino ndi yaitali ...
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