Best selling black basalt paving stones

1) Polished degree: 85 or up

2) Thickness tolerance: -2/+1mm QC check pieces by pieces strictly before packing.

3) Diagonal tolerance : +/-1mm

4) Surface flatness tolerance: +/-0.3mm 

5) Adjacent edge verticality tolerance: +/-0.5mm, Precise Cutting by infrared-ray-cut machine. 

1) inner packing: Cartons or foamed plastics (polystyrene) for thin tiles.
2) Out packing:Seaworthy wooden crates with fumigation.

1) We are manufacturer and have two professional factories.
2) Own quarry and full equipped processing machines.
3) experienced workers and efficient management team.