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Goodwin Refectory Services Ltd and its six sister companies manufacture and supply a number of different competing brands into the Jewellery Industry which has come about by a nature of company/competitor acquisition. These different brands are manufactured to brand specific technology & formulations and use different raw material selections. Please follow the following links to our respective Jewellery Casting Plaster brands below to take you to the brand website. For further information on our history and to explain our brand structure in more detail please see our GRS History Time Line.