Application comparison · Entry ↔ Entry

WL3218 vs WL4312

Name: WL3218 – Hard-shell Entry PP case WL3218: outer 315*260*180mm, inner 308*230*172mm, wall 3.0mm. OEM custom foam, logo and color from 500-piece MOQ.
Brand: Kexin OEM Case
SKU: WL3218
Availability: MadeToOrder
Rating: 4.6 (32 reviews)

Application comparison: when to pick WL3218 (315×260×180mm) and when WL4312 (—)? We analyse typical use cases, protection level, transport, and interior layout of both cases.

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WL3218

Entry · PP

Hard-shell Entry PP case WL3218: outer 315*260*180mm, inner 308*230*172mm, wall 3.0mm. OEM custom foam, logo and color from 500-piece MOQ.

Series	Entry
Material	PP
Outer dimensions	315×260×180mm
Weight	900g
Lead time	30–45 days
Minimum order quantity	500 pieces

✓ WL3218 advantages

Lighter weight – cheaper shipping
Same material – unified recycling logistics

View product → WL3218

VS

WL4312

Entry · PP

Hard-shell Entry PP case WL4312: outer , inner , wall 3.5mm. OEM custom foam, logo and color from 500-piece MOQ.

Series	Entry
Material	PP
Outer dimensions	—
Weight	1170g
Lead time	30–45 days
Minimum order quantity	500 pieces

✓ WL4312 advantages

Same material – unified recycling logistics

View product → WL4312

Side-by-side specifications

	WL3218	WL4312
Series	Entry	Entry
Material	PP	PP
Outer dimensions	315×260×180mm	—
Inner dimensions	308230172mm	—
Weight	900g	1170g
Lead time	30–45 days	30–45 days
Minimum order quantity	500	500
Certificates	CE / RoHS / REACH / ISO 9001 / BSCI	CE / RoHS / REACH / ISO 9001 / BSCI

Summary

This comparison page analyzes WL3218 and WL4312 from the Kexin range. Both are OEM/ODM protective cases made of PP, manufactured in our Guangdong source factory (12,000 m², BSCI audited, ISO 9001:2015). MOQ from 500 pieces, lead time 30–45 days, EXW Guangdong or FOB Shenzhen/Ningbo. Certificates: CE, RoHS 2/3, REACH, ISO 9001, BSCI. Custom foam insert, Pantone colour and logo from 500 pieces. Kexin is a B2B protective case manufacturer since 2010, exporting to 30+ countries. This comparison helps B2B buyers (importers, wholesalers, brands, industrial OEMs) make the right choice for their application. Contact: [email protected] or +86 135 9055 5309.

Comparison data at a glance

Model A: WL3218 (Entry, PP) — 315×260×180mm — 900g
Model B: WL4312 (Entry, PP) — — — 1170g
Common: MOQ 500, Lead time 30–45 days, CE/RoHS/REACH/ISO 9001/BSCI, EXW Guangdong oder FOB Shenzhen/Ningbo
Customizable: Logo, Pantone colour, foam insert, tooling
B2B service: OEM/ODM 7-Schritte-Prozess, kostenlose DFM-Review, technische Unterstützung DE/EN/ZH/FR

FAQ

WL3218 or WL4312 – which is more rugged?

Both have wall thickness ≥2mm and CE/RoHS/REACH/ISO 9001 certified. WL3218 weighs 900g, WL4312 weighs 1170g. For heavier gear we recommend the model with thicker wall.

Can I order WL3218 and WL4312 with the same logo?

Yes, both use identical logo processes: silkscreen, hot-stamp, or laser engraving. Pantone colour from 500-piece MOQ for both.

What is the lead time for both models?

30–45 days after artwork approval for OEM/ODM. factory-direct 3–7 day delivery to DE/EU. Sample from factory-direct in 3–5 days.