... of Luoyang Yuannai Machinery Co., LtdOperating principle &Features: PL series vertical impact crusher is of light structure, high efficiency, through ... "stone at stone", "strike while the iron stone" and " stone at iron or iron at stone ". Unique rotor and mold cavity ... forms, which is "stone at stone", "strike while the iron stone". Multi-purpose function, complete product type model, satisfy ...