... the ability of manufacturing many types of specail board. The products are including Al base, Iron ... base, Brass base, steel base, Ceramic and Teflon Board. Typical Feature . Standard dimension: 490 X 490mm 600 ... X 500mm (optional dimension for discussion) . Standard thickness: 1. 0, 1. 5, ... batter base, heat sinker ect. Teflon-Board with grey color for control board