Building Glasses import companies and building glasses import trade opportunities Construction and Building

Dear Sirs We are an import company from Italy. At the moment we are importing from China big quantities of finished product. we are interested in finding some manufacturer of components in order to assemble in Turkey our products. We are looking for glasses, aluminium profiles, sliding carriages, metal hinges and plastic seals. Can you give us some address of good manufacturing companies in Turkey? Thanks in advance.