Tugtar an pláta patrún ar an pláta cruach le patrún ar an dromchla, is é an t-ainm Béarla pláta Diamond.Is é an patrún cruth measctha de lentil, rhombus, cruinn Bean, agus oblate.Is é an cruth lentil an ceann is coitianta ar an margadh.Áiteanna táirgthe: Laiwu Steel, Rizhao, Benxi Iron and Steel, Shougang, Ninggang, Meishan Iron and Steel, Anshan Iron and Steel, Taiyuan Iron and Steel, Beitai, etc.