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Equipment storage box with a sealed structure for effective waterproof and dustproof performance, customization available!
This #175 standard medium-sized portable aluminum protective case features dustproof and waterproof performance and supports OEM & ODM customization. It has a moderate square inner cavity, compatible with complete sets of electrical and plumbing maintenance tools, small testing instruments, digital device accessories, compact photography equipment and sample display storage. Equipped with an integrated anti-slip top handle on the front, it is optional with wave-shaped shock-absorbing foam or one-piece CNC-machined EVA inner lining as required.
External Dimensions: 465×355×150mm (18.31”*13.98”*5.91”)
Usable Internal Dimensions: 455×340×130mm (17.91”×13.39”×5.12”)
Outer Package Dimensions: 500×185×415mm (19.69”*7.28”*16.34”)
The case net weight is 2.6KG with a moderate weight, allowing a single person to carry it with one hand for long-duration outdoor operations.
The case adopts thickened aerospace aluminum-magnesium alloy profiles for full surrounding frames, integrated stamped metal anti-collision corner protectors at four corners, double-side metal spring latches and built-in sealing strips, delivering protection against dust, daily splashes, drops and compression. The inner side of the case lid is lined with flat flannel without extra protrusions, enabling free placement of cloth bags and foam liners. Its neat square inner cavity is suitable for plumbers’ on-site emergency repairs, field equipment inspection, outdoor short-video shooting, portable sample display at exhibitions and transportation of small lab equipment. It addresses pain points such as scattered maintenance tools that are messy and easy to lose, bumps to precision testing instruments during transit, and component corrosion caused by moisture and dust on construction sites. It is a universal portable aluminum storage protective case for plumbing maintenance workers, equipment inspection technicians, photography enthusiasts and exhibition sales staff.
Thickened Full Aluminum-Magnesium Alloy Frame with Metal Corner Guards – Drop-Resistant, Wear-Proof and Deformation-Free for Construction Sites: The entire case is fully enclosed by aerospace-grade aluminum-magnesium alloy profiles, with stamped metal anti-collision corner caps fully covering all four corners of the box. It evenly disperses impact forces when dropped, stacked under compression or knocked against hard objects on construction sites, preventing the case from denting or bending. The matte frosted panel resists adhesion of cement dust, engine oil and water stains; dirt can be easily wiped off with a damp cloth, leaving no permanent marks even after long-term outdoor operation.
Dual Anti-Theft Metal Latches with Sealing Design for Dust and Splash Resistance: Two sets of symmetrical thickened metal latches are mounted on the front of the case, fitted with built-in brass keyholes compatible with anti-theft padlocks to prevent loss of expensive testing instruments and complete tool sets during in-store storage or long-distance transport. When fastened, the latches tightly compress the full-circle rubber sealing strip, effectively blocking rainwater, cement dust and pipeline grease from construction sites, thus protecting internal metal tools from rust and precision instruments from short circuits and moisture damage.
Soft Flannel Lining on Case Lid for Gentle Scratch-Free Protection: The inner surface of the lid is fully lined with dense, wear-resistant flannel. When storing lenses, instrument display screens and metal measuring tools, closing the case will not scratch mirror surfaces or paint finishes, eliminating abrasion marks caused by hard plastic friction. Even the basic empty case delivers fundamental shock absorption and protection.
Central Ergonomic Non-Slip Carry Handle for Effortless All-Day Field Work: The integrated thickened soft rubber non-slip grip features an arc shape that conforms to the natural curve of the palm. It avoids discomfort and slippage when carrying a full set of maintenance tools and testing instruments for extended periods. The slim, lightweight body fits in electric scooter rear storage boxes and car passenger seats, creating no carrying burden for on-site emergency repairs.
Multiple Liner Configurations Available to Meet Storage Needs Across Industries: The standard empty case comes with a flannel base on the lid for flexible storage of various long and short maintenance tools. The upgraded version can be equipped with high-density wave-shaped shock-absorbing foam, whose slots can be freely cut to safeguard precision equipment. Custom one-piece integrated EVA liners are available via mold opening, with separate milled compartments shaped to fit multimeters, voltage testers and plumbing tools for tidy, stable storage without loose shifting of items.
Weather-Resistant Composite Panels with Full-Range Customization Services: Constructed with thickened frosted ABS composite panels paired with aluminum-magnesium frames, the case resists whitening, embrittlement and cracking under extreme high and low temperatures on construction sites, and withstands water-electricity cleaning agents as well as mild acid and alkali corrosion. A flat reserved logo engraving area on the front supports laser engraving and screen printing of repair shop names and corporate equipment serial numbers. Bulk orders allow customized case colors, aluminum frame thicknesses and hardware accessory styles.
| Parameter Items | Detailed Values |
|---|---|
| External Overall Dimensions | 465×355×150mm（18.31”*13.98”*5.91”） |
| Internal Usable Dimensions | 455×340×130mm（17.91”×13.39”×5.12”） |
| Outer Packaging Dimensions | 500×185×415mm（19.69”*7.28”*16.34”） |
| Net Weight of Case | 2.6KG |
| Main Material | Thickened aluminum-magnesium alloy frame, metal anti-collision corner protectors, high-density frosted ABS panel |
| Protection Class | IP67 dustproof and waterproof, splash-proof for daily use, drop and pressure resistant, with surface cushioning for shock absorption |
| Standard Configuration | Bimetallic anti-theft latches, central non-slip soft rubber handle, full-circle sealing rubber strip, thickened rust-proof metal hinges |
| Optional Liner | Empty case, high-density wave-shaped shock-absorbing foam, one-piece CNC integrated molded positioning EVA inner liner |
Dual Sets of Metal Anti-Theft Spring Latches
The case features symmetric thickened metal latches on both left and right sides, with built-in brass keyholes compatible with anti-theft padlocks. This prevents the loss of tools and instruments during on-site storage at construction sites or cross-regional emergency repairs. The latches deliver firm spring tension and will not pop open automatically when the electric vehicle jolts or travels on the road, compressing the sealing strip to enhance dustproof and waterproof performance.
Full Flocked Soft Lining Covering the Entire Lid
The dense and thickened flocked fabric fully adheres to the inner side of the case lid. It features a soft texture without hard protrusions. When storing instrument screens, lenses and metal measuring tools, it isolates friction and effectively prevents scratches on surfaces. Even the empty basic case delivers fundamental protective performance.
Centered Integrated Anti-Slip Soft Rubber Handle
The grip is reinforced with riveted double-layer metal brackets and embedded with TPE anti-slip soft rubber for shock absorption and pressure relief. It resists slipping and breaking when carrying a fully loaded set of tools, featuring a sturdy load-bearing structure suitable for heavy-duty daily field work.
Thickened Metal Anti-Collision Corner Guards for Four Corners
Integrally stamped metal corner guards fully cover the four corners of the case to provide all-round edge protection. They safeguard the aluminum frames and panels against impacts from drops at construction sites and multi-layer stacking, preventing scratches and corner deformation during long-term maintenance work.
Integrated Sealing Rubber Strip
An embedded full-circle rubber sealing strip is installed at the joint of the case body. After the latches are fastened, the strip closely fits the gaps of the case, blocking rainwater, cement dust and oil stains from seeping into the case interior and offering long-term protection for the equipment stored inside.
The standard industrial model comes in matte black, which resists dirt and fingerprints. Cement and oil stains from construction sites can be easily wiped off. Custom case colors including silver gray, champagne gold and army green are available for bulk orders.
Custom Logo Engraving: Laser engraving and screen printing are supported on the flat front area of the case for printing information such as plumbing and electrical repair shop names, equipment inspection company brands and corporate instrument serial numbers.
Custom Molded EVA Liner: Based on dimension drawings of multimeters, plumbing and electrical tools, and testing meters, an integrated solid EVA block is milled via CNC processing, with separate slots to securely hold various tools and instruments individually.
Full Case OEM & ODM Customization: For mass orders, adjustments can be made to the aluminum frame thickness, latch styles, handle structures, and case length, width and height, catering to storage demands across multiple industries including plumbing & electrical maintenance, equipment inspection, photography and exhibitions.
Bulk Procurement Cooperation: Tiered discounts are offered for bulk purchases by chain plumbing & electrical repair stores, mechanical and electrical inspection institutions, photography studios and exhibition service providers, and official VAT invoices can be issued.
Storage for electricians and plumbers’ on-site repair tools: Integrated storage for voltage testers, multimeters, pipe cutting tools and sleeve accessories, dustproof and oil-proof, portable for electric vehicles and cars, and splash-proof for construction and outdoor sites to prevent metal tools from rusting;
Field storage for small handheld testing instruments: Complete storage for thermometers, leakage detectors and water quality sensors, with optional foam lining for shock and collision resistance to protect precision probes during home inspection visits;
Storage for mini photography equipment for short-video outdoor shooting: Neat storage for mirrorless camera bodies, mini lenses, audio microphones and charging cables, compact case design for backpack carrying, moisture-proof and dustproof to reduce wear and tear of electronic components;
Carry-on storage for exhibition sample display: Lockable storage for small electromechanical samples, test prototypes and accessory exhibits, compression-resistant for short-distance transportation to deliver neat and professional on-site displays;
Household storage for digital accessories: Classified storage for cameras, earphones, chargers and hard drive cables for tidy home storage and easy carrying on short trips;
Transport storage for small laboratory sampling equipment: Storage for mini optical testing lenses and small sampling accessories, flocked lining to protect lenses, moisture-proof and dustproof to extend instrument service life;
Storage for small nail and eyelash extension supplies: Complete storage for mini polishers, pigments and nail art accessories, compact and portable for mobile on-location services, isolating moisture and dust;
Portable storage for tattoo and permanent makeup tools: Neatly packed small tattoo machines, needles and repair supplies, clean and hygienic for mobile on-location services, with lockable cases to prevent loss of supplies.
Main Box Material: Surrounding frame made of thickened aviation-grade aluminum-magnesium alloy profiles, matched with high-density frosted ABS panels. The metal corner protectors at four corners are integrally stamped, featuring impact resistance, bending resistance, and resistance to corrosion from engine oil, cement dust, and mild acid-alkaline cleaning agents.
Sealing Strip: Full-circle embedded high-elastic rubber sealing strip. It closely fits the gaps of the box body after the latches are fastened, effectively blocking dust and splashed water vapor for a long time, and resists hardening and cracking after tens of thousands of opening and closing cycles.
Hardware Fittings: Latches, hinges and corner protectors are all thickened galvanized anti-rust metal parts, which won’t rust or jam during long-term use in humid plumbing maintenance environments and dusty electrical construction sites. The soft rubber hand grip is wear-resistant, peel-proof and odorless.
Forming Technology: Seamless rivet splicing between aluminum profiles and panels. All box edges and corners are polished into arcs to avoid hand scratches. The latches align precisely to maintain stable sealing performance after closure.
Liner Processing: Flocked soft liner is standard for the box lid; the sponge version adopts high-density wave foam that can be freely cut; the customized version uses an integral piece of high-density EVA milled by digital control, which perfectly fits the shapes of various tools and instruments to hold them firmly without shaking during transportation.
Individual Protective Packaging: Each case is separately packed with thick corrugated cartons, with foam cushioning inside for isolation and protection to avoid edge collisions and surface scratches of the cases during logistics transportation.
Delivery Lead Time: In-stock empty cases will be dispatched within 48 hours; orders with logo engraving and custom integrated EVA liners will enter production and be delivered within 15 working days.
Logistics Solutions: Small sample orders are delivered to the door via express delivery; bulk group purchases are shipped by dedicated line logistics, with full-truck door-to-door delivery available.
Packing List: Main body of the long handheld protective case; optional foam/EVA liners will be shipped together with the case.
Q1: What items is this small aluminum case suitable for storing, and what maintenance precautions should be taken when carrying it fully loaded on construction sites?
A: It is suitable for complete sets of plumbing and electrical maintenance tools, small handheld detectors, mini photographic equipment, and small exhibition samples. When transporting the fully loaded case, hold the bottom of the case with both hands to avoid slight deformation of the aluminum frame caused by concentrated heavy pressure on a single corner; promptly clean cement dust from the gaps of the case after use on construction sites.
Q2: Can the metal latches and hinges be replaced with separate spare parts if damaged?
A: The hardware accessories are standard universal parts. Contact customer service and provide the case model, and separate latches and hinges can be resent for self-replacement.
Q3: How waterproof is the case, and can the case be rinsed directly with water?
A: The case only provides daily splash-proof and dust-proof performance. It must not be soaked for a long time or sprayed directly with high-pressure water guns. For dirt accumulated from construction site use, wipe the surface with a damp cloth and neutral detergent, and dry it thoroughly before storing tools and instruments.
Q4: How to confirm whether maintenance tools and testing instruments can fit inside the case?
A: Measure the overall length, width and height of the equipment. It can be fully stored if its dimensions are smaller than the internal compartment size of 455×340×130mm. If the equipment is oversized, consult customer service for larger-size aluminum protective cases.
Q5: Are the aluminum frame and plastic handle prone to damage during emergency repairs at construction sites outdoors in cold winter temperatures?
A: Magnesium-aluminum alloy maintains stable toughness at low temperatures, and the ABS panels are added with cold-resistant modifiers, so they are not easy to crack under normal sub-zero outdoor construction site conditions. Open and close the latches gently in low temperatures to reduce hardware wear.
Q6: What is the minimum order quantity for customized integrated EVA liners, and can separate grooved areas be made for multiple plumbing and electrical tools?
A: The minimum order quantity for liner mold opening is 300 pieces. Independent grooves can be created for multimeters, sockets and plumbing tools at the same time to neatly store the complete set of maintenance equipment in layered and partitioned spaces.
Q7: How to clean and maintain the case when it is stained with cement or engine oil?
A: Use a soft brush to remove cement dust from the gaps of the aluminum frame, wipe the panels with neutral detergent, dry water stains on metal hardware to prevent oxidation and rust, and store the case only after it is completely air-dried.
