Ceramic foundry jecha, rakatumidzwawo seceramsite, cerabeads, yakanaka yekugadzira bhora jecha foundries.Enzanisa nejecha reSilica, ine yakakwira refractoriness, kuwedzera kudiki kwemafuta, yakanaka angular coefficient, kuyerera kwakanyanya, kupikisa kukuru kupfeka, kudzoreredza kukuru ...
Verenga Zvimwe