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
Learn More →
BOXNOW

Latest Articles

Case Assembly Workstation Efficiency: Three Wasted Motions
2026-10-20

Case Assembly Workstation Efficiency: Three Wasted Motions

A case spends 396 seconds at a Case Assembly Workstation, and about 75 of them go to three motions that add no value: picking, flipping and self-check.

Read Article →
Case Assembly Workstation: Material, Tool and Bench Positions
2026-10-20

Case Assembly Workstation: Material, Tool and Bench Positions

A Case Assembly Workstation is three positions, not one bench. Material sits 150 to 300 mm inside the front edge, tools hang at 1500 mm, and the bench runs at elbow height minus 100 mm.

Read Article →
Foam Inventory Management: Humidity, Stack Height and FIFO
2026-10-20

Foam Inventory Management: Humidity, Stack Height and FIFO

Foam Inventory Management reduces storage to three checkable lines: hold the room between 5 and 35 degrees Celsius, cap every stack at 1.2 m, and release stock in batch order.…

Read Article →
Foam Inventory Management: Density, Rolls and Moisture
2026-10-20

Foam Inventory Management: Density, Rolls and Moisture

Foam Inventory Management answers three questions: which density zone a pallet belongs in, which posture a roll keeps, and how many wraps it needs. Put all three on the bin card and the count matches.

Read Article →
Travel Case Production Inspection: Rolling, Drop, Handle Fatigue
2026-10-20

Travel Case Production Inspection: Rolling, Drop, Handle Fatigue

Travel case production inspection runs by damage: rolling first, handle fatigue second, drop last. Rolling wears the tread, fatigue loosens the joints, a drop cracks the shell…

Read Article →
Travel Case Production: Shell Forming, Wheels, Handle Test
2026-10-20

Travel Case Production: Shell Forming, Wheels, Handle Test

Travel case production runs in three stages: shell forming sets shape and wall, wheel assembly puts four wheels on one plane, and handle assembly fixes telescopic clearance.…

Read Article →
View all articles →