Homate quality stone coated roofing tiles/sheet

Good day Sir/Madam my name is Mr. Chris of the Chrisore Sunrise Limited. we specializes on Quality stone coated roof sheet/tiles, rain gutter and American/Canadian shingle roof. All our products re been imported from South Korea, New Zea Land and Canada.
The priority of our business to our client is to give them a better and quality products with full assurance that it wouldn't fade or rust and with over 50 years warranty.
What re the things you need to know before buying any Stone coated roof sheet/tiles?
1: know the manufacturer
2: know the ISO number
3: SON verification
4: know the Durability
5: Know the authentic warranty from the manufacturer
If all the facts I mentioned is verified then you're in a better place to buy your roof
OUR GAUGE
BOND: 0.45, 0.55 STEEL GAUGE
CLASSIC: 0.45 AND 0.55 STEEL METAL GAUGE
SHINGLE: 0.55 STEEL GAUGE
WOOD SHAKE: 0.55 STEEL METAL GAUGES
SHAKE: 0.55 METAL GAUGE
ROMAN: 0.45 AND 0.55 METAL GAUGE
MILANO: 0.45 AND 0.55 METAL GUAGE
OVER ALL LENGTH
BOND LENGTH: 1.400 meter
Length of cover: 1.340
Width: 420mm
Area coverage of tiles: 0.478
Square meters 2 pieces
CLASSIC OVERALL LENGTH
LENGTH: 1.400meter
Length of coverage : 1.340meter
Width of cover: 0.420 mm
Area coverage tiles 0.478
Square meter 2 pieces
3: SHINGLES LENGTH
OVERALL 1.335meters
Length of coverage : 1.270meter
Width of cover 0.420
Area coverage/tiles 0.475mm
2 pieces per square meters
4: ROMAN/MILANO
Overall length 1.340mm
Length