nybjtp

Kuponya Mkuwa

  • Machining Mchenga Kuponya Professional Cast Brass

    Machining Mchenga Kuponya Professional Cast Brass

    Mau otsogolera Ma aloyi amkuwa okhala ndi zinki monga gawo lalikulu la alloying nthawi zambiri amapangidwa ndi mkuwa.Chifukwa chake zinc mumkuwa imakhala ndi njira yabwino yolimbikitsira yankho, nthawi yomweyo, zinthu zambiri zopangira ma alloying zimathanso kusungunuka m'madigiri osiyanasiyana amkuwa, kupititsa patsogolo makina ake, ndikupanga Zamkuwa ...