Sandwich Boards can withstand hign working temperature. Its lifetime is long.

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of glass, chemical and magnet2) Good quality

Features:1) Used for the manufacturing of daily use ceramics, and tableware ceramics2) Good quality

Features:1) Used for the manufacturing of daily use ceramics, and tableware ceramics2) Good quality