1. Makulidwe osiyanasiyana: Malinga ndi mawonekedwe, msampha wamadzi ukhoza kugawidwa mu mtundu wa P ndi mtundu wa S.Malinga ndi zinthu, zikhoza kugawidwa mu zitsulo zosapanga dzimbiri, PVC ndi PE zovekera chitoliro.Malinga ndi m'mimba mwake chitoliro cha msampha madzi, akhoza kugawidwa mu 40, 50, DN50 (2 inchi chitoliro, 75, 90 ...
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