* 1) The return distributor can set the return ratio constantly by the connection of the magnet operation return timer. 2) The standard price of the main unit does not include control instruments, control boards, vacuum systems, dust supply facilities (queu-ring tower, freezer, boiler, etc.), and local assembly work and transportation costs. We will estimate by meeting. 3) We will also make materials other than glass (glass lining, various stainless steel, titanium, etc.). Please consult separately.