on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
No games: we tell you if it's fixable, and flag replacement parts upfront

On-site survey to place points, with cameras, storage and remote viewing set up in one go.
Book now
Points planned by workstation, neatly run, tested and labeled before handover.
Book now
Rack cable management, UPS replacement, environment monitoring and lightning protection — new builds and upgrades alike.
Book nowMost jobs in Dongjing Town can be scheduled the same day, with our technician bringing full tools and parts
We can come after hours or on weekends so we don't interrupt your work.
Business clients get repair invoices and itemized records for reimbursement.
Most jobs can be scheduled the same day; we confirm the time by phone.
Diagnose step by step, locate first, then quote
Add environment monitoring and remote viewing with phone alerts.
Adjust device spacing and airflow, add supply air if needed.
Run an internal-resistance test, replace the battery bank and load-test.
Add circuit labels and drawings for emergency handling.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| AP deployment & tuning | RMB 150–400/AP | Includes survey, install and roaming tuning |
| Rack cable management | From RMB 300/rack | Mounting, binding, labels and photo record |
| UPS replacement | From RMB 200/unit | Includes install, runtime test and drill |
| Battery replacement | Quoted by model | Includes internal-resistance test and old-battery disposal |
| Environment monitoring | From RMB 800 | Temp/humidity, smoke, leak and alert push |
| Lightning & grounding | From RMB 1500 | Includes SPD, grounding and resistance test |
From the first call to acceptance and payment, in a few steps
Cameras, recording and phone viewing configured and you're shown how to use them
Pay after acceptance; 1-year equipment warranty
Neat runs, termination and labeling, minimizing office disruption
Test continuity and performance at every point, rework on the spot if anything fails
We do a lot of this type of work, so diagnosis and spares are well covered

The same problem had been handled twice elsewhere without a fix. We re-diagnosed to find the real cause, and after repair it stayed stable for a week of observation.

The client needed to operate normally during the day, so we came after hours. Several staff worked in parallel and finished testing and cleanup before closing.

A university-town faculties client working in Sheshan had devices failing and holding up progress. We visited by appointment and handled them in groups, restoring normal use the same day and logging the devices into a table.
What you most want to know about on-site service in Dongjing
Yes. We use low-light or infrared models and add lighting if needed, adjusting angle and focus to the actual light, and verify night performance at acceptance.
Yes. After install we configure phone and PC viewing, a unified platform for multiple stores, and role-based access.
Most of the time, yes. We survey the usable cabling and devices, keep what we can, and give you both upgrade and replacement options to choose from.
Equipment is warranted for 1 year, and you can book annual maintenance after acceptance. We schedule visits based on the fault and carry common spares.
Yes. We add points on the existing system, reusing existing cabling where possible.
It depends on drive capacity and bitrate; we configure it to your retention days.
Describe the device and the symptoms; our technician brings the right tools and common parts. Diagnose first, quote after, and repair only once you approve.
WeChat ID: 17887942669
Long-press to scan, or copy the ID to add us
On-site in Dongjing Town, surrounding subdistricts and all of Songjiang