China black granite: 1. polished degree: over 100 2. density: 3.1 ton/m3 3. quality: absolute black, no veins, no cracks, no spots.
4. size: 30x60cm, 60x60cm, 180upx60up, 240upx120up... 5. packing; for tiles: wooden crates; for big slabs: wooden pallets 6. delivery time: 20-25 days for one 20" container
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