楼承板板型有:开口楼承板YX76-344-688.YX75-200-600.YX75-230-690.YX51-250-750。YX76-305-915.闭口楼承板yx65-170-510.yx65-185-555.yx65-240-720.yx65 -254-762,规格齐全,质量优,价格低,供货迅速