JUNZHJIA — the premium brand of Zhongshan Weili Plastic Products Co., Ltd. With over a decade of expertise, 160+ product models across hard cases, wheeled cases, and tool boxes.
From compact tool boxes to large wheeled transport cases — there's always a JUNZHJIA product perfectly matched to your needs.
23 Models
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22 Models
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7 Models
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63 Models
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17 Models
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20 Models
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9 Models
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Tailored · Low MOQ
Learn More →We don't just manufacture cases — every product carries our relentless pursuit of quality and our commitment to our customers.
IP67 certified waterproof & dustproof. Impact-resistant, extreme temperature tolerant. ROHS and REACH compliant.
Full chain capability: design → mold making → injection molding → logo printing → interior foam. Quality controlled at every step.
Customize size, color, lining, accessories — full customization support. Low MOQ, fast turnaround for any special requirement.
Exported to USA, UK, Germany, Canada, Japan, Russia, Middle East and 30+ countries. Mature international logistics experience.
Holding multiple utility model and design patents including dual-latch systems and claw-buckle structures. Strong technical moat.
Equipped with 80+ sets of advanced injection molding and manufacturing equipment. Sufficient capacity, reliable delivery schedules.
Complete traceability from raw-material batches to outgoing inspection — every process logged, zero-defect delivery guaranteed.
Sales and technical teams respond around the clock — selection advice, sample support and after-sales follow-up, worry-free partnership.
Our most popular products across each series — proven performers trusted by professionals worldwide.
High-capacity wheeled design with internal foam partition system. Ideal for camera gear and precision instruments. IP67 rated with swivel wheels.
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Classic multi-purpose design, multiple colors available, dual-layer latch locking system. Widely used for hardware tools and electronic parts.
Learn MoreErgonomic handle, high-strength engineering resin shell, crush and drop resistant. Perfect for drones, camera lenses, medical devices.
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High-capacity professional protection, IP67 waterproof & dustproof. Ideal for instruments and prototypes in long-haul transport and storage.
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Specialty protection solution optimized for specific industries. Robust structure, excellent sealing, multi-scenario ready.
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Industrial-grade professional tool box built for heavy-duty use. Durable and reliable — first choice for hardware and machinery.
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Mid-size model balancing portability and protection — the ideal choice for fieldwork and equipment inspection.
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Wheeled transport design for bulk equipment long-haul shipping — efficient and labor-saving.
Learn MoreEstablished in 2014, Zhongshan Weili Plastic Products Co., Ltd. is headquartered in Zhongshan City, Guangdong — the heart of the Greater Bay Area. Our premium brand "JUNZHJIA" combines advanced scientific formulations with ergonomic engineering, meeting military-grade quality standards and setting the benchmark for the regional industry.
Multiple international certifications ensure that every product leaving our factory meets the highest quality standards.
Below are real photos of selected authoritative test reports and patent certificates. Click to view in full size.
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⤢Take a virtual tour of our smart production floor and witness how a JUNZHJIA protective case is made from start to finish.
JUNZHJIA products serve diverse professional sectors, providing reliable protection for equipment across every industry.
Lenses / Lighting / Gear
Tactical Gear / Emergency Kit
Precision Instruments
Device Transport / Samples
Field Sampling / Instruments
Avionics / Comms Equipment
Gear Organization / Supply
Parts Storage / Components
Weapons / Ammo Storage
Inspection Meters / Repair Tools
In modern industrial and professional applications, a high-quality hard case is far more than simple storage — it is the final line of defense protecting expensive equipment and sensitive instruments. Zhongshan Weili Plastic Products Co., Ltd., established in 2014, has been dedicated to the R&D and manufacturing of premium plastic protective cases. Our flagship brand JUNZHJIA, with its outstanding product performance and comprehensive service system, has become a trusted partner for enterprises and institutions at home and abroad.
JUNZHJIA currently offers eight product series totaling more than 160 different specifications, covering full-scenario protection needs:
Multi-function plastic tool boxes, multi-color options, ideal for daily tools and electronic component storage.
Medium specifications balancing portability and protection, ideal for field operations.
Compact design for small-to-medium precision equipment protection.
Largest capacity range, meeting diverse transport needs.
Purpose-built for extreme professional scenarios.
Industrial-grade tool boxes for heavy-duty use.
Wheeled trolley-style cases for long-haul transport.
Flexible customization of size / color / foam / fittings, low MOQ.
All cases meet or exceed IP67, surviving 1 m submersion for 30 minutes without water ingress.
Proprietary scientifically-formulated resin with excellent impact, corrosion and extreme-temperature resistance.
Multiple patented latch structures keep the case sealed under violent vibration and shock.
Comfortable handles for long carries; smart internal layout maximizes utility.
Full product line certified under ROHS and REACH international standards.
Built to military/police standards, exported to 30+ countries and regions worldwide.
Leveraging our complete industry chain — product design, mold development, injection molding, surface printing, and interior foam fabrication — we respond rapidly to personalized needs. Standard modifications 7-15 days, new mold development 20-40 days, with one-stop professional delivery.
Our products have entered 30+ countries and regions including the United States, United Kingdom, Germany, Canada, Japan, Russia, Philippines, India, Hong Kong/Taiwan, and the Middle East, supported by a complete export logistics network with FOB / CIF / DDP trade terms.
For standard products, the MOQ is 50 units. For OEM/custom orders, MOQ ranges from 100-500 units depending on customization complexity. Please contact our sales team for confirmation based on your specific requirements.
Absolutely. We support full case body color customization (Pantone matching available) and offer silk-screen printing, UV printing, hot stamping, and other logo application methods. Color customization typically requires a minimum of 200 units per color.
IP67 is an International Electrotechnical Commission (IEC) protection standard. The "6" indicates completely dust-tight (the highest dust protection level), while "7" means the case can be submerged in water up to 1 meter deep for 30 minutes without water ingress. This ensures JUNZHJIA cases protect internal contents during rainstorms, sandstorms, and even brief submersion scenarios.
In-stock products ship within 3-5 business days after payment. Non-stock standard products take approximately 7-15 business days. OEM/custom orders require 15-45 business days depending on complexity. We provide accurate delivery timelines at order confirmation.
Yes, we welcome sample requests. First-time customers may receive 1-2 basic model samples free of charge (shipping costs apply). For special specifications or multi-model comparison samples, a nominal sample fee applies (deductible against future bulk orders). Please submit your sample request through our Contact page.
We accept multiple payment methods: Wire Transfer (T/T), Letter of Credit (L/C) for larger orders, PayPal for small samples/orders. Standard terms: 30% deposit upfront, balance before shipment. Flexible payment terms are negotiable for established long-term partners.