looking for normal float glass

Good afternoon, for a new project we are looking for glass.Our yearly demand is round about 450.000pcs.The geometry is as follow:

We are looking for normal floatglass.The thickness of the glass should be between 3,5 and 4,5mm (whatever is Standard or the cheapest)The edges only have to be seamed (polishing isn`t necessary).Thank you in advance for your quote.Mit freundlichen Gr眉脽en/Best regards.