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

Tri-Proof Case: Waterproof Dustproof and Drop Protection for Outdoor Use
2026-10-13

Tri-Proof Case: Waterproof Dustproof and Drop Protection for Outdoor Use

A tri proof case targets outdoor and harsh environments with three core abilities, waterproof, dustproof and drop resistant, using gaskets, dust filter and damping lining to keep gear intact under rain, sand and drops. This guide covers tri proof definition and IP grade, sealing and pressure valve, dust filtering, impact damping, material choice, standard verification, scene adaptation and maintenance acceptance.

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Rotomolded vs Injection Cases: Forming Process and Structure
2026-10-13

Rotomolded vs Injection Cases: Forming Process and Structure

This article compares rotomolded and injection molded protective cases across process principle, tooling cost, wall uniformity, corner strength, sealing, impact, stacking, liner foam and selection, helping engineers lock the right process route and protection grade.

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Protective Case Stacking Guide: Warehouse Stacking Safety and Load
2026-10-13

Protective Case Stacking Guide: Warehouse Stacking Safety and Load

Protective Case Stacking Guide covering static load, dynamic load and creep principles, rib, corner and load frame design, stacking test standards such as GB/T 4857, ISO 2234, ASTM D642 and ISTA, maximum stack layer calculation with creep reduction and safety factor, on-site stacking rules, pallet matching, stacking accessories, failure modes and acceptance management for warehousing and unitized transport.

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Protective Case Selection Guide: Parameter Decisions and Scenario Matching
2026-10-13

Protective Case Selection Guide: Parameter Decisions and Scenario Matching

The protective case selection guide systematically explains the complete chain from requirement sorting to supplier evaluation, building a decision checklist around seven dimensions of size, material, rating, liner, function, certification and cost. It helps procurement start from real scenarios and compare parameters with a standardized method.

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Protective Case Maintenance: Service Life Extension and Seal Retention
2026-10-13

Protective Case Maintenance: Service Life Extension and Seal Retention

A protective case maintenance guide covering daily inspection, seal care, latch and hinge lubrication, liner replacement, wheel and handle checks, pressure valve service, storage environment, moisture control and spare parts management to extend service life and retain sealing.

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Protective Case Cleaning: Hygiene Management and Seal Care
2026-10-13

Protective Case Cleaning: Hygiene Management and Seal Care

A protective case cleaning guide covering cleaning grades, preparation, shell dusting, stubborn stain removal, seal groove and gasket care, latch and hinge service, liner and wheel wash, pressure valve clearing, hygiene management and contamination control, with cleaner taboos and post clean drying and storage to keep sealing and meet medical food cleanliness.

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