... accuracy 3.Cut,drill,grind,polished,tempered 4.flat and curved 5.wood crates 1.Tmpered shower glass2.higher security and ... accuracy3.Cut,drill,grind,polished,tempered 4.flat and curved5.wood cratesPackaging & DeliveryPackaging Detail:wooden case with suffocation, paper ... is realized by thermal processing. Compares with the normal flat glass, the tempered glass has two major advantages:1 ...