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

Skip the Nameplate: a Case Factory Tour Counts Cycle Time
2026-10-27

Skip the Nameplate: a Case Factory Tour Counts Cycle Time

A Case Factory Tour is a timing exercise: 3 hours of drying at 90 degrees Celsius, 210 seconds per shot on a 1600 tonne press, a 4 mm wall, 90 seconds on the leak bench.…

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Six Lines Before You Sign: Case Export Packaging Quotes
2026-10-27

Six Lines Before You Sign: Case Export Packaging Quotes

A Case Export Packaging quote is comparable only when split into six lines (unit price, mold, packing, palletising, inspection, freight) and tied to four terms: MOQ, mold ownership…

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Is 50 Units Enough? Case Export Packaging Acceptance Lines
2026-10-27

Is 50 Units Enough? Case Export Packaging Acceptance Lines

A 500-piece lot samples 50 units under GB/T 2828.1 at AQL 2.5, which accepts 3 and rejects 4. Interior, wall, latch and seal are all measurable on site…

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620 Cases: Case Export Packaging Specs from 26 kg Payload
2026-10-27

620 Cases: Case Export Packaging Specs from 26 kg Payload

Case export packaging specs run backwards from the load: a 26 kg payload stacked 4 high sets a 520×380×210 mm interior, a 2.5 mm deflection limit sets a 3.2 mm wall…

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Six Checks Before Dispatch: Case Export Packaging Upkeep
2026-10-27

Six Checks Before Dispatch: Case Export Packaging Upkeep

Six checks every 5 trips, each judged against one number: gasket set at 30%, latch gap at 1.5 mm, hinge pin play at 0.3 mm. Clean below 40 °C at pH 7 and dry 20 minutes before the lid goes down.

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One 300 mm Drop Test: Case Export Packaging Routes Compared
2026-10-27

One 300 mm Drop Test: Case Export Packaging Routes Compared

A 46 kg load dropped from 300 mm is the clause most export orders quote, and all four Case Export Packaging routes pass it.…

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