Detailed specs for Mini folding-turnover-box Wholesale from KeXinMaterials source factory. Outer/inner dimensions in mm/inch, weight, material, foam options. Compare WL2305 series. MOQ 50. 12h quote, 30-day delivery.
If you are sourcing Mini folding-turnover-box Wholesale from a Chinese factory, you have probably seen marketing sheets with vague dimensions and a single IP rating. We do the opposite. Every dimension here is measured at the QC station, every rating is third-party tested.
For your reference, here are the WL series models we typically use for Mini folding-turnover-box Wholesale applications. Outer dimensions (OD) are measured to the outside of the case; inner dimensions (ID) reflect the usable cavity after subtracting wall thickness. All in millimeters; imperial dimensions in our catalog PDF.
| Model | Outer (mm) | Inner (mm) | Weight (g) | Material | Size Class |
|---|---|---|---|---|---|
| WL2305 | 230×180×45 mm | 225×150×40 mm | 240 g | PP+GF | Electrician Tool Kit |
| WL2808 | 275×230×82 mm | 265×190×76 mm | 480 g | PP+GF | Plumber Tool Kit |
| WL6030 | 600×450×300 mm | 575×420×280 mm | 4200 g | PP+GF | Stackable Mobile Workshop |
The most common model for "Mini folding-turnover-box Wholesale" buyers is the WL2305 (230×180×45 mm OD, 240 g empty weight, PP+GF body).
All Mini folding-turnover-box Wholesale cases use engineering-grade polypropylene (PP) or PP+glass-fiber composite (PP+GF) for the shell, with CNC-cut closed-cell PE foam inside (density 25 kg/m³). The foam density is calibrated to absorb 1.2m drops on concrete while keeping your equipment from shifting.
The shell is rated IP65 ingress protection and validated to MIL-STD-810H Method 516.8 (26 drops at 1.2m). Temperature range is -40 ~ +80 °C. The automatic pressure-equalization valve keeps the seal intact during air transport and at altitude. Latch is a double-throw design rated for 5,000 open/close cycles. All units are 100% inspected for wall thickness uniformity, latch engagement, and foam adhesion before shipping.
Our Mini folding-turnover-box Wholesale buyers in 2024 include: 35% camera operators / filmmakers, 25% drone pilots / commercial UAS, 15% broadcast / TV stations, 10% military / law enforcement, 10% medical / first responders, 5% industrial / OEM. Profile data from 2024 buyer survey.
For Mini folding-turnover-box Wholesale, the decision comes down to: equipment dimensions (always measure with 5-10mm foam clearance), IP rating (IP65 indoor, IP67 outdoor, IP68 water), and certification (FCC for USA, CE for EU, MIL-STD for military). Beyond that, it is foam layout and quantity discount.
For alternatives: soft padded bags (¥50–200, $7–30) are cheaper but offer no real protection and last 6 months. Aluminum hard cases ($80–300) are heavier, prone to denting, and 2–4× the price. Carbon fiber cases ($300+) are overkill for 95% of B2B use cases. Our PP/PC engineering cases hit the sweet spot: 90% of the protection of aluminum at 30% of the weight and 50% of the cost, with 10-year typical service life.
After Mini folding-turnover-box Wholesale ships: (1) We send QC photos before shipment. (2) Lot certificate with serial numbers. (3) 90-day defect replacement. (4) Foam re-cut service for equipment changes. (5) 5-year case body warranty. (6) Tooling stored 3 years for easy reorder.
Most suppliers list dimensions in a single unit. We publish both metric and imperial, with QC-verified tolerances, on every spec sheet.
Established 2014. 13,000 sqm factory in Fusha Industrial Park, Zhongshan, Guangdong. 12 production lines, 60+ injection molding machines, 100+ employees, 20+ patents. Monthly capacity 80,000 units. Annual export revenue 8M+ USD to 47 countries.
Direct from the OEM. Unlike trading companies or sourcing agents who add 15–40% markup and disappear after delivery, KeXinMaterials handles everything in-house: mold development, injection molding, foam CNC cutting, QC testing, export documentation. Our 2024 buyer survey showed 87% repeat-order rate and 0.3% defect rate across 47 countries.
| Quantity | Unit Price | Discount | Lead Time | Sample |
|---|---|---|---|---|
| 50-99 pcs | USD 15.08 | — | 20 days | Free (pay shipping) |
| 100-199 pcs | USD 13.34 | 5% off | 25 days | Free (pay shipping) |
| 200-499 pcs | USD 11.60 | 10% off | 30 days | Free (pay shipping) |
| 500-999 pcs | USD 10.44 | 15% off | 30 days | Free (pay shipping) |
| 1000+ pcs | USD 9.28 | 20% off | 35-45 days | Free (pay shipping) |
Reference price for WL2305 (230×180×45 mm). Custom sizes, colors, foam add 5–30%. Quote valid 30 days.
Mini folding-turnover-box Wholesale: WL Series Specs Comparison
Visual summary of the key specifications. Print-friendly for buyer reference.
📹 60-second factory + product walkthrough. Mini folding-turnover-box Wholesale dimension comparison, foam cutting precision, factory QC line
±0.5mm on outer dimensions, ±0.3mm on inner dimensions. Verified at 4 points per unit. We publish tolerance in our spec sheets — many competitors do not.
Yes, automatic Gore-Tex membrane valve on all IP67/IP68 models. The valve equalizes pressure during air transport and altitude change, keeping the seal intact. Valve rated for 1,000+ cycles.
Standard: glass-filled nylon (PA66+GF30), 5,000-cycle rated. Premium: stainless steel reinforced, 10,000-cycle rated. The latch has a double-throw design (push down then forward) to prevent accidental opening.
WL1204: 100g, WL1504: 150g, WL1905: 220g, WL2005: 250g, WL2305: 280g, WL2507: 350g, WL2808: 480g, WL3812: 1200g, WL5020: 2400g. Weight tolerance ±5g. Includes foam set but not foam-cut cavities.
Our Mini folding-turnover-box Wholesale comes in 9 standard sizes from WL1204 to WL5020. Outer dimensions: 120×90×40mm (smallest) to 500×400×200mm (largest). Inner dimensions are 5mm less on each side to accommodate wall thickness. All dimensions verified by QC inspection at the factory in Zhongshan, Guangdong.
Free 5-day prototyping. ISO 9001 factory-direct. Ships to 47 countries.