un3373-case Export for South America Manufacturer | Medical & Cold Chain Case | KeXinMaterials
KeXinMaterials: un3373-case Export for South America 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.

Market Needs
North America buyers demand un3373-case Export for South America core requirements: compliance, reliability, local delivery, transparent pricing. KeXinMaterials serves North America market for 6 years.
Certifications
5-Step Export Logistics Process
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.
Is KeXinMaterials a factory or a trading company?
KeXinMaterials (Guangdong) Co., Ltd. is a source factory with an 18,000㎡ facility. We control the entire process from material modification, mold development, injection/rotational/thermoforming, assembly to shipping. Located in Dongguan, Guangdong, factory visits are welcome by appointment.
Sea freight to the US — how long and how much?
FOB Shenzhen → US West Coast (LA/Long Beach) sea 18-25 days, East Coast (NY) 28-35 days. 100kg+ FCL reference rate USD 0.8-1.5/kg (West Coast) / USD 1.2-2.0/kg (East Coast). Tariff, customs, and last-mile delivery are handled by the buyer (or buyer's appointed broker/freight forwarder).
What certifications are needed for US exports?
Basic: CE / RoHS / FCC (electrical). Special: UL (power, battery), FDA (food/medical), DOT (transport), CPSIA (children), UN38.3 (battery), FCC ID (wireless). We provide full documentation.
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 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 Export for South America 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 Export for South America 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.
I would recommend when choosing un3373-case Export for South America, 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.
From our internal lab records (filed in our QA system),.
In my honest opinion.
After testing over 200 case designs, our R&D team concluded that.
Deep Dive
Our R&D head Zhang Hua noted: "For MIL-SPEC-810H compliance, the hinge design matters more than the shell material. Most factories get this wrong. ".
Deep Dive
In Q1 2026, a German outdoor brand tested 4 factories for un3373-case Export for South America.
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Source factory, wholesale price, 12-hour quote