HiI need silver white tin metal ingot with the following specs:Weight:25kg+/-1kgDimensions:99.90 99.95 99.99Chemical Composition:Sn99.99%upAlloy Or Not:Non-alloySecondary Or Not:Non-secondarySn (Min):99.99%Standard:GB/T728-1998Density:7.29g/cm3Purity:99.99Thanks Show More