trolley-case top 10 from KeXinMaterials source factory. OEM/ODM, wholesale, factory-direct pricing. 9 WL series sizes WL1204-WL5020, IP67/MIL-STD-810H certified, MOQ 30, 12h quote, 35-day delivery to 47 countries.
There are 5 common mistakes buyers make when sourcing trolley-case top 10. We see them every week. This page covers all of them, with the data to back it up.
Below is the catalog data for trolley-case top 10. Each model has outer dimensions (in mm), inner cavity (mm), empty weight (g), and material specification. Material is engineering PP or PP+GF for impact resistance. Foam set is included: 25mm base + 10mm lid convoluted.
| Model | Outer (mm) | Inner (mm) | Weight (g) | Material | Size Class |
|---|---|---|---|---|---|
| WL3812-T | 380×320×120 mm | 365×280×110 mm | 1400 g | PP+Aluminum Frame | Sales Rep Kit |
| WL5020-T | 500×400×200 mm | 480×360×185 mm | 3100 g | PP+Aluminum Frame | Trade Show Case |
| WL8040-T | 800×500×400 mm | 770×470×370 mm | 8500 g | PP+Aluminum Frame | Mobile Conference Kit |
The most common model for "trolley-case top 10" buyers is the WL3812-T (380×320×120 mm OD, 1400 g empty weight, PP+Aluminum Frame body).
Four components define trolley-case top 10 protection: shell (PP or PP+GF), foam (25 kg/m³ closed-cell PE), seal (silicone gasket around the lid), and pressure valve (automatic Gore-Tex membrane for IP67/IP68). Each component is tested. Each can be replaced if worn.
The shell is rated IP54 (splash-resistant, not submersible) 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.
Here are 3 real trolley-case top 10 foam layouts from 2024-2026: (A) Sony A7 IV + 24-70mm + 70-200mm + 3 filters + 2 batteries — fits WL2808. (B) DJI Mavic 3 + RC + 4 batteries + charger — fits WL2005. (C) RED Komodo + 2 lenses + monitor + cables — fits WL5020. We share these at the 12h quote stage.
Cheap trolley-case top 10: $3-8/unit, 6-month lifespan, 200-cycle latch, 15 kg/m³ foam. Our trolley-case top 10: $5-15/unit, 10-year lifespan, 5,000-cycle latch, 25 kg/m³ foam. Over 5 years, our case is 4-5x cheaper per year of use. Total cost of ownership wins.
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.
We ship trolley-case top 10 to 47 countries via FOB Shenzhen, CIF, DDP, EXW. Sea: 12-38 days by region. Express (DHL/FedEx): 3-7 days for samples. Full container load: 28-35 days. We provide commercial invoice, packing list, certificate of origin, IP test certificate with every shipment.
Our 12-hour quote SLA means you do not have to wait days for a response. Send a spec, get a recommendation.
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 37.70 | — | 20 days | Free (pay shipping) |
| 100-199 pcs | USD 33.35 | 5% off | 25 days | Free (pay shipping) |
| 200-499 pcs | USD 29.00 | 10% off | 30 days | Free (pay shipping) |
| 500-999 pcs | USD 26.10 | 15% off | 30 days | Free (pay shipping) |
| 1000+ pcs | USD 23.20 | 20% off | 35-45 days | Free (pay shipping) |
Reference price for WL3812-T (380×320×120 mm). Custom sizes, colors, foam add 5–30%. Quote valid 30 days.
trolley-case top 10: Buyer Decision Tree
Visual summary of the key specifications. Print-friendly for buyer reference.
📹 60-second factory + product walkthrough. trolley-case top 10 buyer guide walkthrough, equipment fitting, quote process
Top 5 mistakes: (1) Choosing by price alone, ignoring that cheap cases skip IP certification. (2) Over-specifying size — buying WL5020 when WL3812 fits. (3) Ignoring latch type — 200-cycle vs 5,000-cycle. (4) Forgetting pressure valve for air travel. (5) Not requesting lot certificates.
Soft padded bags ($5-20, no protection, 6-month lifespan) or aluminum cases ($80-300, heavy, dent-prone) vs our PP/PC cases ($3.50-85 FOB) — best ROI for 80% of B2B use cases: IP67 + MIL-STD-810H + 10-year lifespan + lightweight.
5-step process: (1) Send inquiry to kexin@beeaa.com or WhatsApp +86 13590555309 with spec, quantity, destination. (2) Receive 12h quote with recommendation, pricing, lead time, shipping. (3) Confirm PO with 30% T/T deposit. (4) Production 35 days. (5) Pay 70% balance, ship FOB/CIF/DDP.
Report within 48 hours with photos. We replace at no cost within 90 days. Defect rate <0.3% in 2024. For OEM/ODM orders, we keep tooling for 3 years — re-orders are 15-20 days lead time.
Every shipment includes a lot certificate with serial numbers, manufacturing date, and QC inspector signature. Cross-check the serial number with our database at kexin@beeaa.com to verify authenticity and view the test report.
Free 5-day prototyping. ISO 9001 factory-direct. Ships to 47 countries.