Enduring Beauty For Your Home Home Page | Soci Products | About Us - Company Info | DXF Files | Contact Us Page | Frequently Asked Questions | Warranty | Wholesale Information | Soci Downloadable Catalog | Ceramic Tile Vitreous China Sinks Vitreous china is clay medium that is fired at an intense heat to create a beautiful, yet extremely hard, non- porous, glass-like surface. You can count on Soci Vitreous China Sinks to provide years of outstanding beauty, as well as exceptional quality to last the test of time. Browse sub-category Here are some other related categories. Vitreous China Undermount Undermount Vitreous China Sinks Vitreous China Self Rimming Self Rimming Vitreous China Sinks Featured Items Contemporary Design Soci has expanded their Vitreous China line to appeal to your unique style.