B2bTaxInvoiceItem

constructor(purchaseDate: String? = null, name: String? = null, spec: String? = null, quantity: Long? = null, quantityScale: Int? = null, unitCostAmount: Long? = null, unitCostAmountScale: Int? = null, supplyCostAmount: Long? = null, taxAmount: Long? = null, remark: String? = null)