A Stone Resource Assignment Model under the Fuzzy Environment

Table 2

Parameters of each product.

Parameters	Stone products
	Nano calcium carbonates	Granite slabs	Granite sand	Man-made composite slabs
𝑐𝑗	1325 (Yuan/ton)	65 (Yuan/m^2)	25 (Yuan/ton)	30 (Yuan/m^2)
𝐷𝑗	8.5 × 10^7 (ton)	3.06 × 10^8 (m^2)	5.13 × 10^6(ton)	1.56 × 10^8 m^2