EB / MFG / BILL OF MATERIALS

MANUFACTURING COMMAND

YM-H1011 helmet air purifier — 36-item BOM · 1,000u run · Updated 2026-07-14 (COG invoice-verified 07-05: $12.34/u). EMC EN 50498 draft PASS (cert QCT26FR-1717E-01, Jun 29 · corrected version in progress · $605 paid Anbotek). Mould-rework QC PASSED 2026-07-03 — every BOM cost line now paid. Critical path: HEPA ready → IM arrives Jul 13 → 5-unit assembly/QC batch Jul 13-14 → mass prod Jul 17-22 → SHIP Jul 26-28.

COG / Unit

$12.34

Excl. tooling · 1,000u · invoice-verified 07-05

COG + Tooling

~$20.06

$12.34 + $7.72 tooling ($7,721) amortised @ 1,000u

Gross Margin

92.7%

@ $170 retail · 91.9% @ EB10 $153

Mfg Spend — Paid

~$19.5K

every BOM line paid · invoice-verified 07-05

Ship Target

JUL 26-28

T-23 days · gated by QC fit-test

Critical Path

QC PASSED

Mould-rework sample approved · on track

Retail Box

$669 PAID

1,000u · in production

Critical Path — 5 Gates to Ship

1 · HEPA ARRIVAL

JUL 9–12

10,000 filters · $200 paid in full Jul 2 · SDF

in ?d

2 · QC FIT-TEST GATE

JUL 13–14

5-unit assembly/QC batch. Mould-rework sample already PASSED Jul 3 — this gate is on track.

in ?d

3 · IM PRODUCTION

JUL 13

$1,345 paid Jun 29 (PI HX-PI-A26026) · 7 pcs/unit

in ?d

4 · MASS PRODUCTION

JUL 17–22

1,000u run · Minewing assembly PI pending ($1.20/u verbal)

in ?d

5 · SHIP

JUL 26–28

NSS Shenzhen 3PL · Shopify sync live

T-? days

✅ Blockers — Clear

DONE

Mould-rework QC passed 2026-07-03 — the fit-test sample cleared Ash's review. Jul 13-14 assembly/QC batch proceeds on schedule.

DONE

Decal order placed + paid — $283 to Yonj Zheng, 2026-07-03.

DONE

Manual paid — $330 to Xiamen Yushibiao, 2026-07-03. Every BOM cost line is now settled.

BOM Cost by Category ($/unit)

Lead Time — Actual vs Quoted (Days)

Full Bill of Materials — 36 Line Items

▸ STRUCTURE / HOUSING

#	Component	Supplier	$/unit	Status
1–7	Injection moulded parts (7 pcs/unit) — magnet-seat mould reworked $160 (06-03)	Alibaba #285010544	~$2.55	QC PASSED 07-03 · production run underway (arrives Jul 13)
8–11	Laser cut steel parts (4 pcs) — moulds incl.	Xiamen Sanling · Justin	~$0.81	PAID $812 all-in
20	M4 brass nut insert ×4/unit (C3604)	Dongguan YITECH · Rayna Rong	$0.076	RECEIVED ✓ 2026-05-27
32	M4×10 bolt SUS304 ×2/unit	Dongguan YITECH · Rayna Rong	$0.016	RECEIVED ✓ 2026-05-27
33	M4 flat washer SUS304 ×2/unit	Dongguan YITECH · Rayna Rong	$0.008	RECEIVED ✓ 2026-05-27
35	Assembly screw 4×30mm T20 Torx ×4/unit	Shenzhen Shishitong · Jane Liu	$0.042	RECEIVED ✓ 2026-05-23

▸ ELECTRONICS

#	Component	Supplier	$/unit	Status
28	Fan — SDH7530B IP67 DC 12V 75×75×30mm 6000RPM	Shenzhen Songlian · Aiden Liu · sales3@songlianfan.com	$2.40	RECEIVED ✓ 2026-05-23
21	Button — 22mm IP67 LATCHING metal NON-illuminated	SUOWEI Electrical (Zhejiang) · PI SWUK260418	$1.24	RECEIVED ✓ 2026-05-23
23	Magnet ring — N48 D25×t5-d20mm Ni-Cu-Ni axial	Shenzhen Ailixin · Sara Dai · olivialin@tom.com	$0.56	RECEIVED ✓ 2026-05-27
15	Wire harness — 26AWG + braid + heat shrink + M6 crimp + 2A fuse	Huizhou Hongxin Electronics · Tina He	$0.595	RECEIVED ✓ 2026-05-27
34	Waterproof connectors SST-S21 Red ×4/unit 22-18AWG	Yueqing Gaopeng · Susie Hu · gpsale01@gaopengele.com	$0.054	RECEIVED ✓ 2026-05-23

▸ AIRWAY ASSEMBLY

#	Component	Supplier	$/unit	Status
24	CPAP tube 0.8m×19mm BLACK right-hand spiral	Shenzhen Yimi Care · Jojo Zhou · info@szyimicare.com	$1.015	DELIVERED ✓ 2026-05-13
12–14	Fabric face + plastic laser cut + velcro (bundled)	Qingdao Ares · Victor Mu · www.aresintl.com	$0.73	RECEIVED ✓ 2026-05-23
19	Braided sleeve 21mm×0.8m tube exterior	Yueqing Lanrui / Hongxin bundle	~$0.085	RECEIVED ✓ 2026-05-21

▸ SEALS & FINISHING

#	Component	Supplier	$/unit	Status
—	Nano double-sided tape 1,000pc (PI A26016)	Xiamen Hongxing · Alice · alice@newstar-hardware.com	$0.129	RECEIVED ✓ 2026-05-27
—	Silicone foam tape 2,000pc	Xiamen Hongxing · bundled	$0.170	RECEIVED ✓ 2026-05-27
—	EPDM foam tape 1,000pc	Xiamen Hongxing · bundled	$0.149	RECEIVED ✓ 2026-05-27
25	Heat shrink Φ25mm×30mm end caps ×2/unit (0.45mm wall)	Lanrui / Hongxin bundle	~$0.015	RECEIVED ✓ 2026-05-21
30	Alcohol wipes 70% IPA 3×6cm	Local sourcing	~$0.09	RECEIVED ✓ 2026-05-27

▸ FILTRATION

#	Component	Supplier	$/unit	Status
16	HEPA filter 99% 42×33×0.5mm — 1 starter included per unit	Shenzhen Deep Filtration (SDF) · Alibaba verified 15yr	$0.01	ORDERED + PAID $200 · Jul 2 · 10,000 pcs · ETA Jul 9–12

▸ PACKAGING & DOCS

#	Component	Supplier	$/unit	Status
27	Retail mailer box 200×200×60mm 250gsm K9 flute + EPS insert	Huizhou Honghui Printing · Miya · nancy@hz-honghui.com	$0.669	IN PRODUCTION · $669 PAID
26	Decals — 6 vinyl SKUs, final production sizes (repriced Jul 2)	Xiamen Yushibiao · Yonj Zheng · CONFIRMED	$0.283	$283 PAID + ORDERED 07-03
36	Manual — A7 booklet 36pp saddle-stitch 157gsm	Xiamen Yushibiao · Yonj Zheng · CONFIRMED (haggled $900 → $330)	$0.33	$330 PAID 07-03

▸ ASSEMBLY LABOR

#	Service	Supplier	$/unit	Status
31	Full assembly — 580 sec/unit · 5-unit QC batch first · then 995	Minewing (Shenzhen) · minewing.com	$1.20	$1,200 PAID 05-29 · PI MW260518

COG Scale Curve

1,000u + TOOLING

~$20.06

~88.2% gross margin

1,000u EXCL. TOOLING

$12.34

92.7% gross margin

100,000u SCALED

~$10.00

~94% gross margin · 17× markup

“$12.34 COG today (invoice-verified) · ~$10 at 100k. $170 retail. 92.7% gross margin.” — Software-like economics on a hardware product.

Savings Opportunities

FAN — BIGGEST LEVER

$2.40 now. Negotiate $1.80 at 5k+ units. Est. -$600/run

MAGNET SOURCING

$0.56 via Ailixin. Domestic scale sourcing target $0.10. Est. -$460/run

BUTTON VOLUME

$1.24 now. Volume discount at 5k est. $0.90. Est. -$340/run

ASSEMBLY RATE

Minewing $1.20 verbal. Target $0.90 at 5k. Est. -$300/run

HEPA ACCESSORY SKU

$0.01 COG · retail $0.30–$0.35/filter. 96% margin recurring revenue.

FABRIC EXTRAS

+200 face pieces arrive with main order. List as standalone replacement SKU.