Belows are the specifictions, packing  detail and trade terms of the specifications of U groove laminate flooring:
 
Dimensions: 805*127*12/12.3mm,  807*127*12/12.2mm,  806*126*12/12.3mm
Locking system: Click system or normal tongue & groove
Click System: double click, single click, big round click, single click
Abrasion resistance grade: AC1-21class,; AC2-22class.; AC3-23cl, 31class,; AC4-32class.; Or in terms of customer’s requests
Formaldehyde release: E1 or higher grade is available
Core color: Green and Brown
Packing: box/pallet