diff --git a/src/entity/asset_invoice.ts b/src/entity/asset_invoice.ts
index fe7bc17..6bede02 100644
--- a/src/entity/asset_invoice.ts
+++ b/src/entity/asset_invoice.ts
@@ -10,8 +10,14 @@ import {
 } from 'typeorm';
 
 import { Supplier } from './supplier';
+import { RequestOrder } from './request_orders';
 import { User } from './users';
-import { Department } from './department';
+
+export enum PaymentStatus {
+  PAID = 'PAID',
+  UNPAID = 'UNPAID',
+  PARTIALLY_PAID = 'PARTIALLY_PAID',
+}
 
 @Entity('invoices')
 export class Invoice {
@@ -28,21 +34,7 @@ export class Invoice {
     nullable: false,
     type: 'date',
   })
-  invoice_date: Date; 
-
-  @Column({
-    nullable: false,
-    type: 'date',
-  })
-  due_date: Date;
-
-  @Column({
-    nullable: false,
-    type: 'decimal',
-    precision: 14,
-    scale: 2,
-  })
-  total_amount: number; 
+  invoice_date: Date;
 
   @ManyToOne(() => Supplier, (supplier) => supplier.id, { nullable: false })
   @JoinColumn({ name: 'supplier_id' })
@@ -54,43 +46,46 @@ export class Invoice {
   })
   supplier_id: string;
 
-  @ManyToOne(() => Department, (department) => department.id, { nullable: false })
-  @JoinColumn({ name: 'department_id' })
-  department: Department;
+  @ManyToOne(() => RequestOrder, (requestOrder) => requestOrder.id, { nullable: false })
+  @JoinColumn({ name: 'request_order_id' })
+  requestOrder: RequestOrder;
 
   @Column({
     nullable: false,
     type: 'uuid',
   })
-  department_id: string;
+  request_order_id: string;
+
+  @Column({
+    nullable: false,
+    type: 'decimal',
+    precision: 12,
+    scale: 2,
+  })
+  total_amount: number;
 
   @ManyToOne(() => User, (user) => user.id, { nullable: false })
-  @JoinColumn({ name: 'created_by' })
-  createdBy: User; 
+  @JoinColumn({ name: 'issued_by' })
+  issuedBy: User;
 
   @Column({
     nullable: false,
     type: 'uuid',
   })
-  created_by: string;
+  issued_by: string;
 
   @Column({
     nullable: true,
     type: 'text',
   })
-  description: string; 
+  remarks: string;
 
   @Column({
     nullable: false,
-    length: 64,
+    type: 'enum',
+    enum: PaymentStatus,
   })
-  status: string;
-
-  @Column({
-    nullable: true,
-    type: 'uuid',
-  })
-  payment_id: string;
+  payment_status: PaymentStatus;
 
   @Column()
   @CreateDateColumn()
@@ -102,5 +97,5 @@ export class Invoice {
 
   @Column({ nullable: true })
   @DeleteDateColumn()
-  deleted_at: Date; 
+  deleted_at: Date;
 }
diff --git a/src/entity/assets.ts b/src/entity/assets.ts
new file mode 100644
index 0000000..0a3a734
--- /dev/null
+++ b/src/entity/assets.ts
@@ -0,0 +1,90 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm';
+
+import { Goods } from './goods';
+import { Department } from './department';
+
+@Entity('assets')
+export class Asset {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @ManyToOne(() => Goods, (goods) => goods.id, { nullable: false })
+  @JoinColumn({ name: 'goods_id' })
+  goods: Goods;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  goods_id: string;
+
+  @Column({
+    nullable: false,
+    length: 128,
+  })
+  asset_code: string;
+
+  @Column({
+    nullable: false,
+    length: 256,
+  })
+  asset_name: string;
+
+  @Column({
+    nullable: true,
+    type: 'text',
+  })
+  description: string;
+
+  @ManyToOne(() => Department, (department) => department.id, { nullable: false })
+  @JoinColumn({ name: 'department_id' })
+  department: Department;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  department_id: string;
+
+  @Column({
+    nullable: false,
+    type: 'decimal',
+    precision: 12,
+    scale: 2,
+  })
+  purchase_price: number;
+
+  @Column({
+    nullable: false,
+    type: 'date',
+  })
+  purchase_date: Date;
+
+  @Column({
+    nullable: true,
+    type: 'text',
+  })
+  location: string;
+
+  @Column({
+    nullable: false,
+    length: 64,
+  })
+  status: string;
+
+  @Column()
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true })
+  @UpdateDateColumn()
+  updated_at: Date;
+}
diff --git a/src/entity/goods_handover.ts b/src/entity/goods_handover.ts
new file mode 100644
index 0000000..a12d308
--- /dev/null
+++ b/src/entity/goods_handover.ts
@@ -0,0 +1,79 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm';
+
+import { User } from './users';
+import { RequestOrder } from './request_orders';
+import { Goods } from './goods';
+
+@Entity('goods_handover')
+export class GoodsHandover {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @ManyToOne(() => RequestOrder, (requestOrder) => requestOrder.id, { nullable: false })
+  @JoinColumn({ name: 'request_order_id' })
+  requestOrder: RequestOrder;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  request_order_id: string;
+
+  @Column({
+    nullable: false,
+    type: 'date',
+  })
+  handover_date: Date;
+
+  @ManyToOne(() => Goods, (goods) => goods.id, { nullable: false })
+  @JoinColumn({ name: 'goods_id' })
+  goods: Goods;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  goods_id: string;
+
+  @ManyToOne(() => User, (user) => user.id, { nullable: false })
+  @JoinColumn({ name: 'handed_over_by' })
+  handedOverBy: User;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  handed_over_by: string;
+
+  @ManyToOne(() => User, (user) => user.id, { nullable: false })
+  @JoinColumn({ name: 'received_by' })
+  receivedBy: User;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  received_by: string;
+
+  @Column({
+    nullable: true,
+    type: 'text',
+  })
+  remarks: string;
+
+  @Column()
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true })
+  @UpdateDateColumn()
+  updated_at: Date;
+}
diff --git a/src/entity/journal_entries.ts b/src/entity/journal_entries.ts
new file mode 100644
index 0000000..692823b
--- /dev/null
+++ b/src/entity/journal_entries.ts
@@ -0,0 +1,56 @@
+
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  JoinColumn,
+} from 'typeorm';
+
+import { PaymentApproval } from './payment_approval';
+
+@Entity('journal_entries')
+export class AssetJournalEntry {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @ManyToOne(() => PaymentApproval, (paymentApproval) => paymentApproval.journalEntries, { nullable: false })
+  @JoinColumn({ name: 'payment_approval_id' })
+  paymentApproval: PaymentApproval;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  payment_approval_id: string;
+
+  @Column({
+    nullable: false,
+    type: 'decimal',
+    precision: 12,
+    scale: 2,
+  })
+  amount: number;
+
+  @Column({
+    nullable: false,
+    length: 128,
+  })
+  account_code: string;
+
+  @Column({
+    nullable: false,
+    length: 128,
+  })
+  description: string;
+
+  @Column()
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true })
+  @UpdateDateColumn()
+  updated_at: Date;
+}
diff --git a/src/entity/payment_approval.ts b/src/entity/payment_approval.ts
new file mode 100644
index 0000000..b46a538
--- /dev/null
+++ b/src/entity/payment_approval.ts
@@ -0,0 +1,116 @@
+import {
+  Entity,
+  PrimaryGeneratedColumn,
+  Column,
+  CreateDateColumn,
+  UpdateDateColumn,
+  ManyToOne,
+  OneToMany,
+  JoinColumn,
+} from 'typeorm';
+
+import { User } from './users';
+import { RequestOrder } from './request_orders';
+import { AssetJournalEntry } from './journal_entries';
+
+export enum ApprovalStatus {
+  PENDING = 'PENDING',
+  APPROVED = 'APPROVED',
+  REJECTED = 'REJECTED',
+}
+
+@Entity('payment_approvals')
+export class PaymentApproval {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @ManyToOne(() => RequestOrder, (requestOrder) => requestOrder.id, { nullable: false })
+  @JoinColumn({ name: 'request_order_id' })
+  requestOrder: RequestOrder;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  request_order_id: string;
+
+  @Column({
+    nullable: false,
+    type: 'decimal',
+    precision: 12,
+    scale: 2,
+  })
+  approved_amount: number;
+
+  @Column({
+    nullable: false,
+    type: 'enum',
+    enum: ApprovalStatus,
+    default: ApprovalStatus.PENDING,
+  })
+  finance_approval_status: ApprovalStatus;
+
+  @ManyToOne(() => User, (user) => user.id, { nullable: true })
+  @JoinColumn({ name: 'approved_by' })
+  approvedBy: User;
+
+  @Column({
+    nullable: true,
+    type: 'uuid',
+  })
+  approved_by: string;
+
+  @OneToMany(() => AssetJournalEntry, (journalEntry) => journalEntry.paymentApproval)
+  journalEntries: AssetJournalEntry[];
+
+  @ManyToOne(() => FinanceMemo, (financeMemo) => financeMemo.paymentApprovals)
+  @JoinColumn({ name: 'finance_memo_id' })
+  financeMemo: FinanceMemo;
+
+  @Column({
+    nullable: true,
+    type: 'uuid',
+  })
+  finance_memo_id: string;
+
+  @Column()
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true })
+  @UpdateDateColumn()
+  updated_at: Date;
+}
+
+@Entity('finance_memos')
+export class FinanceMemo {
+  @PrimaryGeneratedColumn('uuid')
+  id: string;
+
+  @Column({
+    nullable: false,
+    type: 'text',
+  })
+  memo_content: string;
+
+  @OneToMany(() => PaymentApproval, (paymentApproval) => paymentApproval.financeMemo)
+  paymentApprovals: PaymentApproval[];
+
+  @ManyToOne(() => User, (user) => user.id, { nullable: false })
+  @JoinColumn({ name: 'created_by' })
+  createdBy: User;
+
+  @Column({
+    nullable: false,
+    type: 'uuid',
+  })
+  created_by: string;
+
+  @Column()
+  @CreateDateColumn()
+  created_at: Date;
+
+  @Column({ nullable: true })
+  @UpdateDateColumn()
+  updated_at: Date;
+}
diff --git a/src/index.ts b/src/index.ts
index c726071..e6bd582 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -58,6 +58,11 @@ import { SubmissionRecap } from "./entity/request_submission_recap";
 import {AssetRealization} from './entity/asset_realizations'
 import { AssetRealizationRecap } from "./entity/asset_realization_recaps";
 import { GoodsReceipt } from "./entity/goods_receipt";
+import { Invoice } from "./entity/asset_invoice";
+import {Asset} from './entity/assets'
+import { GoodsHandover } from "./entity/goods_handover";
+import { AssetJournalEntry } from "./entity/journal_entries";
+import { PaymentApproval } from "./entity/payment_approval";
 
 export {
     User, //
@@ -104,11 +109,16 @@ export {
     SummarizeType,
     Goods,
     Supplier,
+    Asset,
     AssetCategory,
     AssetClassification,
     FixedAssetClassification,
     AssetDepreciation,
     Employee,
+    Invoice,
+    GoodsHandover,
+    AssetJournalEntry,
+    PaymentApproval,
     Department,
     GoodsReceipt,
     RequestSubmission,