QD450E vs WM-QJJQR01
Side-by-side comparison of QD450E (SIASUN) and WM-QJJQR01 (Zhengzhou Hento Machinery Co., Ltd.) — specs, pricing, Robo Score, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Home & Household buyers. Priority specs lifted to the top and marked with a target.
Layer 1: Identity & Trust
Manufacturer Country
- QD450EChina
- WM-QJJQR01China
Verified Deployments
- QD450E0 Deployments
- WM-QJJQR010 Deployments
Layer 2: Operational
Price
- QD450EContact for quote
- WM-QJJQR01$7,549 USD
Battery / Shift Runtime
- QD450E—
- WM-QJJQR012.5 hrs
Availability Status
- QD450EACTIVE
- WM-QJJQR01ACTIVE
Layer 3: Category Specific
Max Speed
- QD450E—
- WM-QJJQR011 m/s
| Layer 1: Identity & Trust | ||
| Manufacturer Country | China | China |
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price (values differ) | Contact for quote | $7,549 USD |
| Battery / Shift Runtime (priority for Home & Household buyers) (values differ) | — | 2.5 hrs |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Max Speed (values differ) | — | 1 m/s |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Year First Available, Payload Capacity, Reach, IP Rating, Autonomy Level
ROI Comparison
Same operating assumptions across every robot — the only difference is price. Set your numbers once to see which pays back fastest.
Annual labor displaced (per robot): $50,000
| Metric | QD450E | WM-QJJQR01 |
|---|---|---|
| Investment | No price | $7,549 |
| Payback period | — | 1.8 mo |
| Net savings (5 yr) | — | $242,451 |
| ROI (5 yr) | — | +3212% |
QD450E has no listed price, so payback can't be computed. Contact the manufacturer for a quote.
Estimates labor-cost displacement only — not a full total cost of ownership. Actual ROI depends on integration, maintenance, training, downtime, and task fit. Converted currencies are indicative; USD is the price of record.
Trade-offs at a glance
Frequently asked
Who makes QD450E and WM-QJJQR01?
QD450E is made by SIASUN, based in CN. WM-QJJQR01 is made by Zhengzhou Hento Machinery Co., Ltd., based in CN.
How do QD450E and WM-QJJQR01 compare on the Robo Score?
QD450E scores 64.8 on the Robo Score. WM-QJJQR01 scores 59.8. The Robo Score is a 0–100 credibility figure blending commercial maturity, verified deployments, company standing, and independent coverage — see methodology for the full breakdown.
Are QD450E and WM-QJJQR01 in the same category?
Both robots are classified as Cleaning on Robolist. Filters and ranking treat them as direct alternatives.
What is the realistic total cost of ownership for Cleaning robots?
Hardware cost is one input. Cleaning TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cleaning robot TCO: hardware, consumables, and human-in-the-loop time.
What should a buyer ask vendors when choosing between QD450E and WM-QJJQR01?
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cleaning robot vendor evaluation: SLAs, fleet management, and reporting.
Going deeper — picking the right robot
Cleaning robot TCO: hardware, consumables, and human-in-the-loop time
8 min readCleaning Robots
Cleaning robot vendor evaluation: SLAs, fleet management, and reporting
10 min readCleaning Robots
Operator training: the line item most facilities skip
9 min readCleaning Robots
Build vs buy vs lease: which model fits a first deployment
8 min readChoosing Your First Robot
The hidden specs vendors hope you'll miss
10 min readReading the Spec Sheet
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About this comparison
QD450E vs WM-QJJQR01 compares two robots in the cleaning category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Score is calculated.