KeXin New Materials (Guangdong) Co., Ltd. · Source Case FactoryOnline store: www.beeaa.com
Get a Quote
Home › Trolley & Business Cases › Trolley Case manufacturing process

Trolley Case manufacturing process

Buying Guide

Industrial-grade protection for business and daily use · Factory direct · Wholesale / OEM / Global supply

Trolley Case manufacturing process — short answer: judge three things: ingress protection (IP67 = 1 m for 30 min), impact structure (26-drop military testing) and foam fit (EVA/PU/XLPE by payload). Details below, standard by standard.

Key definition

A trolley case combines a hard protective shell with a telescopic handle and wheels for suitcase-style mobility, ideal for accompanied baggage, trade shows and frequent travel.

Frequently Asked Questions

How do I place an order or get a quote?

For retail and small orders, visit our online store. For wholesale, OEM or export, send the case type, quantity and deadline — kexinMaterials returns a tiered quote and container plan within 24 hours.

Do the handle and wheels fail easily?

Handles and casters are the main wear items on any hard case. We use three-stage aluminum handles and twin-row quiet PU wheels, tested to 5,000-plus extension cycles and loaded rolling respectively. Both are field-replaceable and spare kits can ship with the order, so a worn part never scraps the case.

Will airline handling snap the telescoping handle?

Not in normal service. The handle sits in a recessed channel so it never protrudes above the shell face when retracted and cannot take direct crushing load. We also recommend locking the latches and applying a fragile label when checking the case.

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.

Which case suits trade show use?

Trade shows mean frequent handling plus brand presence, so a wheeled trolley case with customized appearance (silk-printed logo, corporate colors) and adjustable internal dividers works best — easy for one person to move and usable as an on-stand equipment cabinet.

How much can a trolley case carry, and is it easy to pull?

We recommend a loaded weight below 35–45 kg. Larger wheel diameter and longer wheelbase make towing easier; for routes with steps, choose oversized all-terrain wheels or a version with auxiliary handles for two-person lifting.
Trolley Case manufacturing process · Trolley & Business Cases — 客信新材料源头工厂

Trolley Case manufacturing process: Product & Manufacturer Overview

Sample presentation is the high-value use of a Trolley Case manufacturing process: kexinMaterials cuts display inserts to your sample list with stand-open lids and branding, turning every case opening into a professional pitch.

The Trolley Case manufacturing process bridges two worlds: protective-case strength and sealing on one side, business-class looks and feel on the other. kexinMaterials brings military-grade materials down into the business and lifestyle category, built to serve for a decade.

Key facts: kexinMaterials builds the Trolley Case manufacturing process across injection, rotational and blow molding lines with in-house tooling (35–45 days), full OEM/ODM programs, and wholesale tiers at 50/200/500/1000 pcs.

Key Specifications

Shell materialModified PP / ABS+PC
Wheels & handleSilent spinners / multi-stage aluminum
LocksLatch / combination / TSA optional
InteriorDisplay cutouts / tool layers / dividers
Use casesTool kits, sample demos, field equipment, business travel
CustomizationCorporate color, logo, interiors, from 500 pcs

How kexinMaterials Compares

Dimension
kexinMaterialsGeneric market cases
WheelsHeavy-duty casters + aluminium trolley, loaded dragCheap wheels fail
ShellABS/PP composite, stack-resistantSingle resin deforms
LinerZoned fixation foam for gearNo zoning
RatingIP67 optionalUsually non-protected
MOQFrom 50 pcs, size customFew stock sizes
UseFilm/expo/inspection mobility provenLacks proof

Standards & Industry Data

Foam Inserts (EVA / PU / XLPE)

Three insert materials dominate: EVA (closed-cell, waterproof, firm support for precision instruments), PU foam (open-cell, soft cushioning, economical) and XLPE (chemically inert, non-shedding — preferred for medical and optics). CNC pockets are cut from the equipment's 3D data; drawing-to-first-sample typically takes 1–2 weeks.

Military Drop Test (MIL-STD-810H, Method 516.8 Proc. IV)

MIL-STD-810H (8th revision, 2019; 29 test methods) requires transit-drop samples to survive 26 drops from up to 5 ft (1.5 m) onto steel-backed concrete in varied orientations. Versus 810G, the H revision raised drop height from 4 ft to 5 ft and switched to a harder steel-backed surface.

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).

Typical Applications

  • Field-service engineer tool kits
  • Sales sample presentation cases
  • Medical device field visits
  • Utility and telecom field equipment
  • Corporate gifts and staff kits
  • Business travel equipment carry

Buying Questions Answered

For 'Trolley Case manufacturing process', the FAQ below gathers what buyers ask most — price structure, MOQ, customization flow and lead time — to speed up your sourcing decision.

When comparing Trolley Case manufacturing process suppliers, weigh four things: shell material and wall thickness, seal design and verified ingress rating, interior-foam capability, and whether the factory owns tooling and QC in-house — these decide long-term reliability.

Before sourcing a Trolley Case manufacturing process, note the payload's largest dimensions, single-unit weight and shipping mode (air/land/sea). Send those to kexinMaterials and you get a matched case recommendation and quote fastest.

Manufacturing Process

Wheel modules and handle systems integrate onto injection-molded shells with metal inserts at every load point. Wheels pass 100,000-cycle rolling tests; handles pass 50,000-cycle pull tests.

Trolley & Business Cases · Trolley Case manufacturing process — 客信新材料 kexinMaterials
Trolley & Business Cases · Trolley Case manufacturing process

Field Case Studies

Film-equipment rental

1,600 mobile gear cases with heavy-duty casters and trolley, easier location moves.

Expo builder

1,200 exhibit-transit cases with zoned foam, faster booth setup.

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.

Key Terms Explained

Load rating
The maximum payload a case can carry while keeping shell and handle structurally safe. Injection-molded carry cases are typically rated 25–40 kg and large rotomolded transit cases 80–150 kg; overloading deforms the floor and breaks handles.
EVA foam insert
Ethylene-vinyl acetate closed-cell foam: dense, resilient, CNC-machinable and resistant to permanent compression set. In protective cases it is cut to the equipment profile and is the preferred lining for precision instruments and high-value gear.
Drop test
A loaded case is released from a defined height—1.2 m is common in this industry—onto six faces and eight corners in sequence, then inspected for shell cracking, latch failure and loss of seal. It is the most direct measure of a case's impact resistance.

Need wholesale or custom cases?

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

Visit Our Store