we produce two colors of floor tiles and roof slate.black and grey. we have black slate specification that its length and width is 500x250mm 400x200mm 400x250mm 300x200mm and grey slate specification that its length and width is400x200 400x250 300x200 THICK 6-8mm,we can manufacture different specifications and shapes according your require.
Huilongslate Co.,Ltd
WangCheng li