refractory Case Studies at Styro-Tech   Penn Refactories provided Styro-Tech with a rough sketch of what they were looking for. Then we converted there sketch into a cad desisgn. Then the final project could be produced     Styro-Tech Ltd, Unit 5, Kingfisher Est, Charles St, West Bromwich, West Midlands, B70 0AT Tel: 0121 520 6343 Fax: 0121 520 4851 Email:info@styrotech.uk.com