KeXin New Materials (Guangdong) Co., Ltd. · Source Case FactoryOnline store: www.beeaa.com
Get a Quote
Home › Engineering Plastic & Rotomolded Cases › Cold-resistant Plastic Protective Case ODM Service

Cold-resistant Plastic Protective Case ODM Service

OEM/ODM

Injection, rotational and blow molding under one roof · Factory direct · Wholesale / OEM / Global supply

Cold-resistant Plastic Protective Case ODM Service: send your equipment dimensions or 3D files and kexinMaterials returns a free case-selection and foam-layout proposal, prototypes from its in-house tool shop, and supports logo, color and packaging customization.

Key definition

A rotomolded case is produced by rotational molding with seamless walls and high toughness, built for heavy-duty transport of large equipment, spares and hazmat with strong impact and stacking resistance.

Cold-resistant Plastic Protective Case ODM Service · Engineering Plastic & Rotomolded Cases — 客信新材料源头工厂

Cold-resistant Plastic Protective Case ODM Service: Product & Manufacturer Overview

Material sets the floor of case performance. kexinMaterials works with modified PP, rotational-grade LLDPE and glass-fiber-reinforced compounds, tuning UV, flame-retardant, anti-static and cold-impact properties to the service environment of your Cold-resistant Plastic Protective Case ODM Service, with test reports supplied.

Each molding process sets a different performance envelope: injection for precision, rotomolding for toughness, blow molding for cost. kexinMaterials runs all three lines in one factory, so your Cold-resistant Plastic Protective Case ODM Service gets the right process for its load, size and budget — not whatever a single-process shop happens to own.

Key facts: Cold-resistant Plastic Protective Case ODM Service sourcing facts: factory-direct from Guangdong, China; sealing up to IP67; service range -40°C to +80°C; CNC-cut EVA interiors; logo printing/engraving; factory audits and third-party QC welcome.

Key Specifications

Injection moldingHigh precision and finish for sealed mid/small cases
Rotational moldingSeamless, ultra-tough, for large transit cases
Blow moldingLightweight, low cost, for tool boxes and packaging
MaterialsModified PP / ABS / LLDPE / glass-fiber reinforced
ToolingIn-house shop, steel and aluminum molds
Max part size3-meter class via rotomolding

How kexinMaterials Compares

DimensionkexinMaterialsGeneric market cases
Wall uniformity5–10 mm seamless rotomold, thicker cornersInjection has weld lines, uneven walls
ImpactMonolithic toughness, resists crackingThin parts snap
Tooling cost≈1/5–1/10 of injection, great for large casesInjection molds costly
Size rangeLarge thick-wall (>1 m) is the sweet spotLarge injection cases pricey
MOQFriendly for small–mid batchesEconomical only at volume
UseAirdrop/transit/marine heavy-load rolesLight-load focus otherwise

Standards & Industry Data

Shell Materials Compared (PP / ABS / PE)

Industry data puts PP (polypropylene) at ~55% of plastic protective-case share — strong chemical resistance, low-temperature toughness and cost efficiency; ABS holds ~30% with harder, glossier surfaces; large thick-wall cases favor rotomolded PE. Plastic/polymer cases together account for 63.7% of the industrial protective case market (2025).

Extreme Temperature Performance

Engineering-grade cases typically operate from -30°C to +80°C (military testing follows MIL-STD-810H Methods 501.7/502.7 for temperature and 503.7 for thermal shock, cycling as wide as -40°C↔+71°C). For cold climates choose PP copolymer or PE shells — standard ABS embrittles at low temperatures.

Market Size & Growth

The global industrial protective case market was worth about USD 2.05 billion in 2025 and is projected to reach USD 2.88 billion by 2032 (5.0% CAGR). Military & defense is the largest application (~30%), drone-related cases are the fastest-growing niche, North America is the largest region and APAC grows fastest.

Typical Applications

  • Custom rotomolded transit cases for heavy equipment
  • High-seal injection molded instrument cases
  • Blow-molded tool box contract manufacturing
  • Specialty compound case development
  • Full ODM outsourcing for case brands
  • Export-spec case re-engineering

OEM / ODM Custom Manufacturing

kexinMaterials runs full OEM/ODM programs on the Cold-resistant Plastic Protective Case ODM Service: drawing/sample quotation, 3D structural design, in-house tooling (35–45 days), pilot runs and mass production — under NDA throughout.

The standard private-label flow for the Cold-resistant Plastic Protective Case ODM Service: requirement review → proposal & quote (1–3 days) → sample approval (7–15 days) → production (15–30 days) → QC & shipment. Logos via silk print, laser engraving, hot stamping or in-mold labeling.

Need speed instead of tooling? Choose tooling-free private label: adopt an existing kexinMaterials mold, switch colors and branding, and launch from just 100 pcs — the fastest route for new case brands.

Manufacturing Process

The injection line owns precision and sealing, the rotomolding line owns size and toughness, and the blow molding line owns weight and cost — all sharing one tool shop and QC system, so one supplier covers a multi-process purchasing mix.

Engineering Plastic & Rotomolded Cases · Cold-resistant Plastic Protective Case ODM Service — 客信新材料 kexinMaterials
Engineering Plastic & Rotomolded Cases · Cold-resistant Plastic Protective Case ODM Service

Field Case Studies

Airdrop-equipment lab

400 large airdrop transit cases, seamless rotomolded 8 mm walls, intact through repeated landing drops.

Marine-equipment maker

1,100 thick-wall shipboard cases, salt-fog and impact resistant, no cracking after two years at sea.

About kexinMaterials

KeXin New Materials (Guangdong) Co., Ltd. (brand: kexinMaterials) is a source factory for engineered plastic cases based in Guangdong, China, operating injection, rotational and blow molding lines with an in-house tool shop. Nine product series serve buyers worldwide — from military and drone cases to medical, photography and business lines.

Why kexinMaterials: factory-direct pricing with no middle-man margin; three molding processes under one roof; in-house tooling for controlled lead times; batch drop and seal testing; factory audits, samples-first and third-party QC all supported.

Frequently Asked Questions

Rotomolded vs injection molded — how to choose?

By size and duty: over 800 mm per side or rough handling favors rotomolding (seamless, high toughness); tight sealing and finish on smaller cases favors injection. We review your spec free of charge.

What is the minimum order quantity for custom rotomolded cases?

Rotomolding uses aluminum tooling, which costs far less than steel injection molds, so custom entry barriers are low. Existing molds start at 50 pieces; a brand-new tool is best amortized over 200 pieces or more, negotiable by project scale.

How do ODM projects work?

You bring requirements and positioning; we handle industrial design, structure, prototyping, tooling and production. IP ownership is contracted, with NDA throughout.

Are you a factory or a trading company?

kexinMaterials is a source factory for engineered plastic cases based in Guangdong, China, with injection, rotational and blow molding lines and an in-house tool shop. Factory audits and video tours are welcome.

Tooling cost and timeline?

Depends on geometry: rotomolding aluminum molds run roughly 1/3–1/2 the cost of injection steel molds. Typical tooling takes 35–45 days including trials and first-article approval.

Can rotomolded cases be insulated or double-walled?

Yes. Rotational molding naturally forms a double wall in one shot; filling the cavity with PU foam produces an insulated case for cold chain, vaccine and low-temperature sample transport. Lightweight fills can instead provide buoyancy or weight savings.

Key Terms Explained

Injection molding
Molten plastic is injected under high pressure into a steel mold and cooled. It delivers tight tolerances, fine surface finish and fast cycles at low piece cost, but requires higher tooling investment — best for volume production of small and mid-size cases.
OEM / ODM
OEM means manufacturing to the customer's design under the customer's brand; ODM means the factory designs the product and the customer rebrands it. In case sourcing, private-labeling an existing shell is OEM, while commissioning a new shell and interior design is closer to ODM.
Custom tooling
Building a dedicated mold for a specific case design, giving an exact fit in size and structure. Compared with selecting an existing mold it takes longer (roughly 20–30 days for aluminum tooling, longer for steel) and costs more up front — worthwhile for sustained volume.

Related Keywords

Need wholesale or custom cases?

kexinMaterials quotes factory-direct — confirm samples before mass production.

Visit Our Store