JUNZHIJIA
JUNZHIJIA protective cases
JUNZHIJIA · PROFESSIONAL PROTECTIVE CASES

Rugged Protection for What Matters Most

JUNZHIJIA hard cases — IP67 waterproof, dustproof and impact-resistant. Factory-direct OEM/ODM, wholesale and global supply from Zhongshan, China.

WHY JUNZHIJIA

Engineered Where It Counts

IP67 Rated Protection

Waterproof, dustproof and impact-resistant; drop-tested per MIL-STD-810H.

One-Piece Molding

Engineering PP / ABS with reinforced rib structure for long service life.

One-Stop Customization

Logo printing, custom foam inserts, colors and sizes on request.

Global Supply

Exported to 20+ countries across Europe, America, Japan, Korea and the Middle East.

150+
Product Models
18,000㎡
Factory Area
80+
Machines
20+
Countries Served
JUNZHIJIA factory
ABOUT US

Protection With Purpose

Zhongshan Junzhijia Plastic Products Co., Ltd. is a manufacturing enterprise integrating product design, injection molding, tooling, logo printing and custom foam inserts, delivering one-stop protective case solutions worldwide.

  • ISO9001, RoHS and IP67 certified
  • 20+ patents; quality meets demanding professional use
  • Wholesale, distribution, OEM and global supply
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Latest Articles

Used Flight Case: Five Structural Checks
2026-10-31

Used Flight Case: Five Structural Checks

A used flight case is worth buying when five measurements pass: board moisture below 12%, extrusion wall above 1.8 mm, rivet hole ovality under 0.5 mm, hinge pin thicker than 4.6 mm…

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Safe vs Protective Case: Real Security Grades
2026-10-31

Safe vs Protective Case: Real Security Grades

Safe vs protective case is a mismatch of rulers, not of quality. A safe is graded on net working time to break in — 5 minutes for UL 1037 RSC, 15 minutes for a GB 10409 Class A unit.…

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Dry Box vs Protective Case: Dehumidifying
2026-10-31

Dry Box vs Protective Case: Dehumidifying

Dry box vs protective case is a question of moisture balance, not shell strength. Drying a 20 L cavity from 60% to 40% RH costs only 24 g of a 100 g silica charge; how long that charge lasts depends o…

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Cooler Box vs Protective Case: Two in One
2026-10-31

Cooler Box vs Protective Case: Two in One

Cooler box vs protective case is settled by wall build, not price. A 30 L cooler keeps 22 L of cavity behind 40 mm of polyurethane and holds 4 °C to 8 °C for 9 hours at 25 °C; a 3 mm protective case w…

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Folding vs Fixed Case: Volume Economics
2026-10-31

Folding vs Fixed Case: Volume Economics

A folding vs fixed case comparison needs three ledgers. Loaded, both take the same space; empty, a folded case runs 105 mm high and puts 56 units on a pallet against 40 for a nesting fixed case…

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Injection vs Blow Moulded Tool Box
2026-10-31

Injection vs Blow Moulded Tool Box

At the same 40 L, an injection moulded tool box holds 2.4 mm of wall within ±0.05 mm, while a blow moulded tool box averages 3.5 mm but thins to 2.3 mm at the bottom corner.…

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