Side-by-side comparison of A-391 (Guangdong Intelligent Technology Co., Ltd.) and EWR-DZ18 (Jiangsu Novotech Electronic Technology Co., Ltd.) — specs, pricing, Robo Index, and verified deployments. Updated daily.
Optimize comparison for buyer
Optimized for Manufacturing buyers. Priority specs lifted to the top and marked with a target.
Verified Deployments
Price Range (USD)
Availability Status
Reach
Repeatability
Payload
IP Rating
Degrees of Freedom
Max TCP Speed
Robot Weight
Mounting Options
Safety Rating
Force/Torque Sensing
No-Code Capable
Offline Programming
Programming Interface
ROS Compatible
Fieldbus Protocols
Price (USD)
Warranty
Lead Time
| Layer 1: Identity & Trust | ||
| Verified Deployments | 0 Deployments | 0 Deployments |
| Layer 2: Operational | ||
| Price Range (USD) (values differ) | $29,999 USD | $9,900 USD |
| Availability Status | ACTIVE | ACTIVE |
| Layer 3: Category Specific | ||
| Arm Mechanics | ||
| Reach (priority for Manufacturing buyers) (values differ) | 1,500 mm | 1,100 mm |
| Repeatability (priority for Manufacturing buyers) (values differ) | ±0.05 mm | ±0.1 mm |
| Payload (priority for Manufacturing buyers) (values differ) | 120 kg | 18 kg |
| IP Rating (priority for Manufacturing buyers) (values differ) | IP68 | IP54 |
| Degrees of Freedom | 6 | 6 |
| Max TCP Speed (values differ) | — | 3 m/s |
| Robot Weight (values differ) | — | 58 kg |
| Mounting Options (values differ) | floor, ceiling, wall | floor, inverted |
| Safety | ||
| Safety Rating (values differ) | SGS Group, CE, ISO, RoHS | UL |
| Force/Torque Sensing | none | none |
| Ease of Use | ||
| No-Code Capable (values differ) | No | Yes |
| Offline Programming | No | No |
| Programming Interface (values differ) | Laser vision tracking | easy-to-use programming system |
| Software & Connectivity | ||
| ROS Compatible (values differ) | No | Yes |
| Fieldbus Protocols (values differ) | — | TCP/IP, Modbus |
| Commercial | ||
| Price (USD) (values differ) | $29,999 USD | $9,900 USD |
| Warranty | 1 yrs | 1 yrs |
| Lead Time (values differ) | 2 wks | 6 wks |
Insufficient data for full comparison
The following fields had no data for any of the selected robots: Manufacturer Country, Year First Available, Battery / Shift Runtime, TCP Speed (Collaborative), Power/Force Limiting, Safety I/O Pairs, Duty Cycle, Setup Time, Time to Redeploy, Tool Flange Standard, Tool Changer Support, Integrated F/T Sensor, Wrist Power Supply, SDK Languages, Digital Twin Support, MTBF, Path Accuracy, CaaS / Month
Frequently asked
A-391 is made by Guangdong Intelligent Technology Co., Ltd.. EWR-DZ18 is made by Jiangsu Novotech Electronic Technology Co., Ltd..
A-391 is listed at $29,999. EWR-DZ18 is listed at $9,900.
A-391 scores 86/100. EWR-DZ18 scores 84/100. The Robo Index blends specs, pricing transparency, verified deployments, and independent media coverage — see methodology for the full breakdown.
A-391 has a reach of 1500 mm. EWR-DZ18 has a reach of 1889 mm.
Both robots are classified as Cobot on Robolist. Filters and ranking treat them as direct alternatives.
Hardware cost is one input. Cobot TCO also includes integration, training, downtime, and end-of-life. Our breakdown: Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings.
Spec sheets only show part of the story. Useful vendor questions cover support, lifecycle, integration cost, and references. We have a buyer-focused checklist: Cobot Vendor Red Flags: Questions That Filter Out the Marketing.
Going deeper — picking the right robot
Cobot TCO and Payback Math: Hardware, EOAT, and Zero-Fencing Savings
6 min readCollaborative Robots
Cobot Vendor Red Flags: Questions That Filter Out the Marketing
9 min readCollaborative Robots
Running a Cobot Pilot in a Manual Production Line
9 min readCollaborative 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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A-391 vs EWR-DZ18 compares two robots in the cobot category. All data is sourced from manufacturer spec sheets, verified deployments, and third-party filings; see our methodology for how the Robo Index is calculated.