中文简体To judge a battery-swapping cabinet manufacturer, don't look at what's written in the spec sheet—look at four things you can verify yourself:Go into the workshop to see who makes the core components, open the backend to see the offline rate, check certifications by number, and take one unit for a trial operation at your own site. A spec sheet can only show that it's a qualified device; only these four things can show whether it can supply stably over the long term. All four steps give you what to verify, and Dochion's approach and records are listed alongside so you can check them yourself.
Enter the workshop: are the core components made in-house?
The core of a battery swap cabinet isn't the enclosure; it's the control system.Whether cabinet control, compartment control, main control, GPS terminals, and central control are made in-house is an entry point for judging R&D depth.
Why look at this: The difference between outsourced assembly and in-house development isn't in the quote—it's in whether problems can be fixed afterward. For manufacturers that outsource their control systems, firmware has to wait on the upstream supplier and features have to wait in their schedule; a company that builds its own can adjust according to the requirements of each site.
How to verify: ask about the timeline of core components. Which year the GPS terminal was made, which year cabinet control and compartment control were introduced, whether the communication module is a finished product or secondarily developed—the timeline must match specific capabilities; a single line saying "full-stack in-house development" isn't enough. The timeline Dochion can report is: 2018, independently developed the GPS battery management system; 2019, developed the battery-swapping cabinet operations system; 2020, achieved in-house development of cabinet control and compartment control; 2021, made secondary development of the 4G communication module the main control solution; 2024, acquired a central control R&D team.
Scale figures should also be viewed alongside delivery times: Daochong'sOwn factory 3000 ㎡, monthly capacity 3000 units, the factory is in Bao'an, Shenzhen, and achieved integrated R&D, production, and sales in 2022;25 working days after placing the orderDelivery. How many units can be produced per month and how soon after ordering they can be delivered—only when the two numbers are put together do they mean anything. The delivery date must also be written into the contract with overdue-penalty clauses; putting it on the quotation doesn't count.
If you can't visit in person, you can check public records instead: the coverage scope of management system certifications, the registration numbers of patents and software copyrights, and centralized procurement announcements—all of these can be verified on official platforms.
Open the backend: does the offline rate match up?
Offline rate refers to the proportion of communication interruptions between battery swap cabinets and the server, the lower the value, the more stable the network.
Why this number matters: while the cabinet is offline, battery swaps cannot be done; users see "this cabinet is unusable," and that day's revenue is lost.It's not a number on a spec sheet; it's a real-time status you can look up in the operations backend.
How to check: have the manufacturer open the device monitoring on the spot and look at the current online rate and historical disconnection records. If the numbers written in the spec sheet can't be matched in the backend, they don't exist. Dochion's communications are built through secondary development on the CAT1 module using the TCP/IP protocol; the reportedOffline rate below 0.3%, communication can be maintained even in signal dead zones — this figure can be checked directly against the real-time status in the backend.
Check the serial number: only what can be verified counts
The value of a number lies in its verifiability—enter it, and the result comes out; no need to trust anyone's retelling.
Several categories to check: management system certification, product compliance, invention patents and software copyrights, centralized procurement or bidding announcements. The first two categories can be checked on official platforms such as the Certification and Accreditation Administration; patents and software copyrights can be checked at the Intellectual Property Office; centralized procurement announcements can be checked on the procurement platform.
There are two places most prone to failure.
First,Are the models on the certificate the same batch as the models in the quote?. A certificate only covers the models it lists. If the unit you're quoted isn't one of those models, the certificate doesn't cover it.
Second,Being shortlisted as a winning candidate doesn't mean you've already won the bid, whether a deal is closed depends on the contract or supply records.
At the numbers level, these Daochong records can all be checked one by one yourself:
Project | Numbers / Records | Coverage |
|---|---|---|
Management System Certification | 399234Q26620R5 | Production and sales of intelligent production equipment, battery swap cabinets, and GPS locators, valid until September 19, 2027 |
CE Compliance | LCSA1274034E | DC14 Series, 8 models: M09HDG, M08HDG, M01HDG, M16HDG, M15HDG, M08HG, etc., issued on January 2, 2025 |
Invention Patent | CN120200362B | Intelligent lithium battery charging control system for battery swap cabinets |
Software Copyright | 27 items | Operations system related: 2023SR1000573, 2023SR1042972 |
Centralized Procurement Announcement | Tianyi IoT Cloud Chip AI Public Board Procurement Project Lot 4 | Shortlisted as a 2025 winning candidate, verifiable on the public announcement platform |
Management system certification is issued by a body holding both IAF and CNAS accreditation, with 8 cumulative patents (including 3 design patents) and 12 registered trademarks. In addition, the company holds National High-Tech Enterprise status (certified in 2025), National Sci-Tech SME status, Provincial Innovative SME status, General Taxpayer Tax Credit Grade A, and Import/Export Goods Consignor/Consignee qualification.These do not directly indicate whether the product is good or bad, but they do show whether the company is operating normally and continuously.——You're buying equipment that has to last for years; this is one point you shouldn't skip.
Trial run: start with one unit, run it at your own site
Battery swap cabinets are installed outdoors, and cabinet failures are mostly related to high and low temperatures and humidity. Two extremes are the most direct:
- Low-temperature end: The capacity of lithium batteries drops by 30%–50% below 0°C, and they basically cannot be charged below -10°C.
- High-temperature side: Under direct sunlight, the cabinet temperature must be kept within 40°C.
These two are general requirements on the equipment side—visible and askable.But the volume at the sites is invisible: How many riders visit this site per day, how many times batteries cycle, and how much the electricity costs are not shown in the parameter table.
So the final step is to put a device into operation at your own site. Some manufacturers support ordering from a single unit and opening an independent account for self-operation, while others have minimum order requirements—ask this clearly and you can save a lot of trial and error later. One of Daochong's cooperation options is to take just one device and open an independent agent account for self-operation, positioned asVerified Site; the equipment side is equipped with an independent heating system for each compartment (automatically heating to around 15°C when below 5–8°C), as well as 3200-rpm enhanced heat dissipation plus full-cabinet-door insulation cotton.
Final Thoughts
Once you've done it, you'll have a clear sense of how much to trust those numbers in the spec sheet.
What these four actions have in common is that they all rely on verifiable records, not verbal explanations: the workshop is visible, the backend is visible, the numbers are verifiable, and the equipment can be run.The more that can be verified, the more reliable the judgment.