MIBAL - Minas de Barqueiros, S A « kaolins
(Cliques: 398;site acrescentado: May 24, 2014, kaolins)
A mining company in Portugal, producing kaolin,silica sand, white quartzític pebbles for decoration and gravel,china clay ..
china clay caulinos mibal campadus campadus kaolin kaolins
minas-de-barqueiros.pt