1,Standards:ISO,CE. 2,Established in 1988. 3,Dia 20--400mm. 4,Reliable quality and long life. 5,Competitive price and custom built 6,Thickness: 0.7---5mm 7,Edging , grind, flat, polished... 8,color:clear.black,red,white.etc.. 9,Holes available. 10,corner:Natural,grind,round,fine polished,curve, etc