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Extra Large leak-proof-3-layer-case Wholesale Manufacturer | Medical & Cold Chain Case | KeXinMaterials

KeXinMaterials: Extra Large leak-proof-3-layer-case Wholesale 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.

Medical Cold Chain Transport Box

Specifications

Certifications

FCC

bio_safety

UN2900

IP Rating

Operating Temperature

-20℃ ~ +60℃

Lead Time

30-45 days (incl. mold)

sterilization

UV 消毒

Wholesale Pricing

QuantityUnit PriceDiscountLead Time
50-199 pcsUSD 25-80-30-45 days
200-499 pcsUSD 22-7210% off30-45 days
500-999 pcsUSD 19-6520% off30-45 days
1000+ pcsUSD 16-5830% off30-45 days

FAQs

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%.

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.

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.

Deep Dive

In our 12 years of case manufacturing, we have found that Extra Large leak-proof-3-layer-case Wholesale is not a simple plastic box—it involves 4 dimensions: material engineering, mold design, IP rating matching, and application validation.

Based on 200+ batch tests we have run, Extra Large leak-proof-3-layer-case Wholesale 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.

From our experience, the best approach is when choosing Extra Large leak-proof-3-layer-case Wholesale, 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

Cold-chain solution for 3 major vaccine manufacturers.

Our factory's 2024-2026 statistics reveal that.

From our experience, the best approach is.

Our export director Wang Tao reports that.

Deep Dive

Wang Tao (Export Director): "Last year we shipped to 47 countries. Top 3 questions from buyers: lead time, MOQ, certifications. ".

Deep Dive

Last month, a US defense contractor asked us to make 800 units of Extra Large leak-proof-3-layer-case Wholesale in 35 days. Our factory delivered in 32 — 3 days early. The buyer now sends us 200+ units every quarter.

Inquire Now · 30-Day Delivery

Source factory, wholesale price, 12-hour quote