... ,SGS PRODUCT: STEEL COIL(GI,GL,CR,PREPAINTED) MAIN SPECIFICATIONS:1,Base Metal: cold rolled (CR)2,Zinc Coating: z40-z275, ... (unit of measurement: Ton) 6,Paint Coating:22-25(um)7,Color:RAL color or customized as the sample8,Minimun order:25Tons9 ... of B/L or L/C at sight. 12, Coil weight:3-10 ton or client's suggestion 13, Width ... Spangle:zero spangle , min spangle , regular spangle, big spangle steel coil