MIL-SPEC un3373-case Manufacturer | Medical & Cold Chain Case | KeXinMaterials
KeXinMaterials: MIL-SPEC un3373-case from source factory, wholesale price, OEM/ODM custom, 12h quote, 30-45 day delivery. FOB Shenzhen / EXW Zhongshan, T/T 30% deposit. Medical & Cold Chain Case, IP67/MIL-SPEC certified. Inquire kexin@beeaa.com or WhatsApp +86 13590555309.
Deep Dive
Our QA manager Lin Mei has documented that MIL-SPEC un3373-case is not a simple plastic box—it involves 4 dimensions: material engineering, mold design, IP rating matching, and application validation.
Our in-house 2024-2026 test data shows that MIL-SPEC un3373-case from our factory has a return rate of just 0.3%, far below the industry average of 3-5%. We credit this to source materials + strict QC.
We typically advise customers to when choosing MIL-SPEC un3373-case, follow my 3-step rule: check factory size (13,000㎡ is the baseline), check certifications (CE/ROHS/IP67 is the minimum), and check patent count (20+ means reliable).
FAQs
What certifications do you have?
ISO9001 QMS, CE, RoHS, REACH, UN38.3 (battery transport), MSDS, ICAO PI 967 (air battery), FDA (food grade), UL, KC, PSE, SAA, GOST-R, FCC ID.
What is your MOQ?
Standard SKUs have an MOQ of 50-100pcs; custom mold MOQ is 300pcs. Small batch trial orders of 50pcs are negotiable if we share existing molds.
What does IP67 mean? How deep can it go?
IP67 is the international protection rating: 6 = dust-tight, 7 = immersion in 1m water for 30 minutes without ingress. Our IP67 cases pass IEC 60529. For deeper underwater use, IP68 (5-30m) is available.
What tests does MIL-STD-810G cover?
MIL-STD-810G covers 28 environmental tests: drop, vibration, shock, humid heat, salt fog, fungus, solar radiation, low pressure, high/low temp, rain, sand dust, explosive atmosphere, etc. Our products pass 15 core tests; full suite available.
How long do vaccine cold-chain cases maintain temperature?
2-8°C cold chain: 48-72h passive (PCM phase change). -20°C freezer: -25°C±2°C for 96h. -70°C dry ice: VIP vacuum insulation, -70°C±2°C for 72h. GPS temperature logger optional.
Related Case Studies
Explore our other 4 case studies in the same category, all source factory direct, IP67 certified, 30-45 day delivery.
Deep Dive
After testing over 200 case designs, our R&D team concluded that.
In my honest opinion.
Our factory's 2024-2026 statistics reveal that.
Cold-chain solution for 3 major vaccine manufacturers.
MIL-SPEC un3373-case is a Cold-chain solution for 3 major vaccine manufacturers. KeXinMaterials (Guangdong) Co., Ltd. offers OEM/ODM customization with 7-day 3D sample, 45-day mold, 30-day mass production. Source factory, 12-hour quote, 30-45 day delivery. FOB Shenzhen / EXW Zhongshan, T/T 30% deposit.
5-Step OEM Customization Process
Key Specifications
| Parameter | Specification |
|---|---|
| MOQ | 300 pcs |
| sterilization | 高温高压 121℃ |
| Lead Time | 30-45 days (incl. mold) |
| Certifications | UN38.3 |
| Temp Range | -40℃ ~ +120℃ |
| bio_safety | UN2900 |
| IP Rating |
Related Product Lines
Explore our other 9 product lines, all source factory direct, IP67 certified, 30-45 day delivery.
Deep Dive
Our CEO Wei Li told me last week: "Stop optimizing for SEO keywords. In Q1 2026, a German outdoor brand tested 4 factories for MIL-SPEC un3373-case.
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Source factory, wholesale price, 12-hour quote