diff --git a/tests/routes/hicad-manufacturing-extension.test.ts b/tests/routes/hicad-manufacturing-extension.test.ts
index 66907310e..35b960e22 100644
--- a/tests/routes/hicad-manufacturing-extension.test.ts
+++ b/tests/routes/hicad-manufacturing-extension.test.ts
@@ -9,6 +9,7 @@ import {
   detectPanelHoles,
   filterManufacturingBodies,
   groupBodiesIntoBom,
+  localizePartName,
   type BodyMeasurement,
   type CircularEdgeSample,
 } from '../../vendor/zoo-modeling-app/manufacturing'
@@ -57,6 +58,78 @@ function circularEdge(
   }
 }
 
+function hardwareAssemblyFixture() {
+  const holeCenters = [
+    [-160, -100],
+    [160, -100],
+    [-160, 100],
+    [160, 100],
+  ] as const
+  const panel: BodyMeasurement = {
+    id: 'mounting-panel',
+    name: 'mountingPanel',
+    center: { x: 0, y: 0, z: 9 },
+    dimensions: { x: 400, y: 300, z: 18 },
+    holes: detectPanelHoles(
+      {
+        id: 'mounting-panel',
+        name: 'mountingPanel',
+        center: { x: 0, y: 0, z: 9 },
+        dimensions: { x: 400, y: 300, z: 18 },
+      },
+      holeCenters.flatMap(([x, y]) => [
+        circularEdge(x, y, 0, 4),
+        circularEdge(x, y, 18, 4),
+      ])
+    ),
+  }
+  const plate: BodyMeasurement = {
+    id: 'connector-plate',
+    name: 'connectorPlate',
+    center: { x: 0, y: 0, z: 19.5 },
+    dimensions: { x: 360, y: 260, z: 3 },
+    holes: detectPanelHoles(
+      {
+        id: 'connector-plate',
+        name: 'connectorPlate',
+        center: { x: 0, y: 0, z: 19.5 },
+        dimensions: { x: 360, y: 260, z: 3 },
+      },
+      holeCenters.flatMap(([x, y]) => [
+        circularEdge(x, y, 18, 4),
+        circularEdge(x, y, 21, 4),
+      ])
+    ),
+  }
+  const bolts = holeCenters.map(
+    ([x, y], index): BodyMeasurement => ({
+      id: `connector-bolt-${index + 1}`,
+      name: `connectorBolt${index + 1}`,
+      center: { x, y, z: 11 },
+      dimensions: { x: 8, y: 8, z: 30 },
+    })
+  )
+  const washers = holeCenters.map(
+    ([x, y], index): BodyMeasurement => ({
+      id: `washer-${index + 1}`,
+      name: `washer${index + 1}`,
+      center: { x, y, z: 22 },
+      dimensions: { x: 18, y: 18, z: 2 },
+      holes: [
+        {
+          center: { x, y, z: 22 },
+          diameter: 8,
+          axis: 'z',
+          type: 'through-hole',
+          depth: 2,
+        },
+      ],
+    })
+  )
+
+  return [panel, plate, ...bolts, ...washers]
+}
+
 test.describe('HiCAD manufacturing extension', () => {
   test('keeps the extension isolated behind one official registration point', () => {
     const projectRoot = process.cwd()
@@ -172,6 +245,62 @@ test.describe('HiCAD manufacturing extension', () => {
     expect(rows.some((row) => row.name === 'unitBox')).toBe(false)
   })
 
+  test('localizes the hardware validation assembly for a Chinese BOM', () => {
+    expect(localizePartName('mountingPanel')).toBe('安装基板')
+    expect(localizePartName('connectorPlate')).toBe('连接片')
+    expect(localizePartName('connectorBolt4')).toBe('连接螺栓')
+    expect(localizePartName('washer3')).toBe('垫圈')
+  })
+
+  test('builds a production-ready hardware BOM and detailed hole schedule', async ({
+    page,
+  }, testInfo) => {
+    const assembly = hardwareAssemblyFixture()
+    const rows = groupBodiesIntoBom(assembly)
+
+    expect(assembly).toHaveLength(10)
+    expect(rows).toHaveLength(4)
+    expect(rows.find((row) => row.name === '安装基板')?.holes).toHaveLength(4)
+    expect(rows.find((row) => row.name === '连接片')?.holes).toHaveLength(4)
+    expect(rows.find((row) => row.name === '连接螺栓')?.quantity).toBe(4)
+    expect(rows.find((row) => row.name === '垫圈')?.quantity).toBe(4)
+
+    const html = createEngineeringSheetHtml({
+      projectName: '五金连接安装板',
+      generatedAt: '2026-07-27 22:30',
+      overallDimensions: { x: 400, y: 300, z: 30 },
+      bodies: assembly,
+      bomRows: rows,
+    })
+    expect(html).toContain('安装基板')
+    expect(html).toContain('连接片')
+    expect(html).toContain('连接螺栓')
+    expect(html).toContain('垫圈')
+    expect(html).toContain('H1：Ø8 通孔')
+    expect(html).toContain('横向中心孔距 320 mm')
+    expect(html).toContain('纵向中心孔距 200 mm')
+    expect(html.match(/class="part-detail"/g)).toHaveLength(4)
+
+    await page.setViewportSize({ width: 1600, height: 900 })
+    await page.setContent(html)
+    expect(
+      await page.locator('.part-detail').evaluateAll((parts) =>
+        parts.map((part) => part.textContent)
+      )
+    ).toEqual(
+      expect.arrayContaining([
+        expect.stringContaining('安装基板'),
+        expect.stringContaining('连接片'),
+        expect.stringContaining('连接螺栓'),
+        expect.stringContaining('垫圈'),
+      ])
+    )
+    await page.screenshot({
+      path: testInfo.outputPath('hardware-engineering-sheet.png'),
+      fullPage: true,
+    })
+  })
+
   test('normalizes URL-safe engine snapshots for browser image rendering', () => {
     expect(createSnapshotDataUrl('iVBORw0KGgo_8A')).toBe(
       'data:image/png;base64,iVBORw0KGgo/8A=='
diff --git a/vendor/zoo-modeling-app/manufacturing.ts b/vendor/zoo-modeling-app/manufacturing.ts
index 988ae9312..1994f9fb3 100644
--- a/vendor/zoo-modeling-app/manufacturing.ts
+++ b/vendor/zoo-modeling-app/manufacturing.ts
@@ -437,6 +437,7 @@ const CHINESE_PART_NAMES: Record<string, string> = {
   handle: '拉手',
   hinge: '铰链',
   metalbracket: '金属连接角码',
+  mountingpanel: '安装基板',
   leftsidepanel: '左侧板',
   leg: '支腿',
   rightsidepanel: '右侧板',
@@ -458,7 +459,7 @@ const CHINESE_PART_NAMES: Record<string, string> = {
 }
 
 export function localizePartName(name: string) {
-  const cleaned = name.trim() || '未命名零件'
+  const cleaned = normalizePartName(name.trim() || '未命名零件')
   if (/[\u3400-\u9fff]/.test(cleaned)) return cleaned
   return CHINESE_PART_NAMES[compactPartName(cleaned)] ?? cleaned
 }