... Super Single 48" x 84".We can also manufacture custom mattresses and box springs to fit antique beds, sleeper sofas, ... year 2007, Xiquan Longer tested three modals of fire-retardant mattresses, including tight top mattress, pillow top mattress and euro pillow ... which are commonly exported to the US market.Xiquan Longer mattresses have several prototype exported to France and Germany subjected to ...