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

KeXinMaterials: Mini 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.

UN3373 Biological Specimen Carrier

Specifications

Material

Certifications

SAA

Lead Time

30-45 days

IP Rating

bio_safety

UN3373 B 类

sterilization

EO 灭菌

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

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.

Do you provide samples?

Standard SKU samples are free (shipping paid by client, 5-7 working days via DHL/FedEx). Custom samples require mold fees, refundable or deductible from bulk order.

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.

Deep Dive

Our export director Wang Tao reports that Mini 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.

Our in-house 2024-2026 test data shows that Mini 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.

Our factory's stance on this is when choosing Mini 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

Our QA manager Lin Mei has documented that.

Our factory's stance on this is.

Our in-house 2024-2026 test data shows that.

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. ". In Q1 2026, a German outdoor brand tested 4 factories for Mini leak-proof-3-layer-case Wholesale. We were the only one who passed their 5-meter drop test on the first try. Order value: $120K.

Inquire Now · 30-Day Delivery

Source factory, wholesale price, 12-hour quote