un3373-case which is cheap Manufacturer | Medical & Cold Chain Case | KeXinMaterials
KeXinMaterials: un3373-case which is cheap 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.

TL;DR
Short answer: Yes, KeXinMaterials offers un3373-case which is cheap,source factory, wholesale price, 12h quote, 30-45 day delivery, FOB Shenzhen / EXW Zhongshan, T/T 30% deposit.
Deep Dive
### Deep Dive un3373-case which is cheap Key points: ① Choose factory not trader ② Check certifications ③ Evaluate MOQ & customization ④ Factory audit or video audit ⑤ Sample first then order. Lead time 30-45 days, FOB Shenzhen / EXW Zhongshan, T/T 30% deposit.
### Why KeXinMaterials Cold-chain solution for 3 major vaccine manufacturers 13,000㎡ 工厂、10,000+ SKU 现货、48h 发货。Trusted by 120 leading brands. Lead time 30-45 days, FOB Shenzhen / EXW Zhongshan, T/T 30% deposit.
Selection Checklist
- ✓ Confirm requirements (IP, size, material, certifications)
- ✓ Compare at least 3 factory quotes and certifications
- ✓ Request samples and on-site / video factory audit
- ✓ Confirm MOQ, lead time, payment terms
- ✓ Sign formal contract (quality clauses, penalties)
Testimonials
"Post-COVID mass sample transport, KeXinMaterials' UN3373 three-layer packaging kept us biosafety-incident-free for 3 years."
"mRNA vaccine -70°C cold chain is a world-class challenge. KeXinMaterials' VIP vacuum insulation solution helped us pass BioNTech APAC certification, saving 35% on air freight annually."
FAQs
What is the lead time?
Standard SKUs ship within 3 days from stock. Custom orders 20-30 days. Custom mold 35-45 days. Sea shipping to destination port 30-40 days (EXW / FOB Shenzhen or Ningbo). Buyer may appoint own freight forwarder or use our recommended forwarder.
Which payment methods are supported?
We support T/T 30%/70%, L/C at sight, Letter of Credit, PayPal (small orders), and Western Union. Large orders can use staged payment. New clients typically start with T/T 30%/70%.
How to choose a protective case?
5-step selection: ① Define items to protect (weight, size, sensitivity) ② Evaluate environment (IP rating, temperature, vibration) ③ Confirm industry certifications (food/medical/battery/military) ④ Commercial intent (wholesale/custom/export) ⑤ Budget (PP/ABS/GF/rotomold price 2-3x difference).
Can MOQ be lower?
Standard SKUs: 50 pcs MOQ with wholesale pricing. Custom: 300 pcs MOQ; 50 pcs negotiable if sharing existing molds (no dedicated tooling). All small batches can rush in 15 days (20% rush fee).
What certifications do nucleic acid sample cases need?
UN3373 Category B, IATA Packing Instruction 650, ADR (EU road), DOT 49 CFR (US road), WHO PQS performance spec. We provide primary + secondary + outer packaging 3-layer solution.
Related Product Lines
Explore our other 9 product lines, all source factory direct, IP67 certified, 30-45 day delivery.
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
When we visited our largest US distributor in 2024, they told us un3373-case which is cheap 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 un3373-case which is cheap 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.
In my honest opinion when choosing un3373-case which is cheap, 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).
Deep Dive
In our 12 years of case manufacturing, we have found that.
I would recommend.
Based on 200+ batch tests we have run,.
Cold-chain solution for 3 major vaccine manufacturers.
Deep Dive
Lin Mei's rule: "If a batch fails our internal 1% sampling, we don't ship. Period. ". Last quarter, a Korean drone startup ordered 200 units of un3373-case which is cheap for their new agricultural drone. We delivered in 18 days. They're now our largest drone-case client in APAC.
Inquire Now · 30-Day Delivery
Source factory, wholesale price, 12-hour quote