on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
We come at a time that suits you, and common faults are fixed on the spot

Read-only imaging before recovery to avoid further damage. Clicking drives are opened in a cleanroom.
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On-site survey to place points, with cameras, storage and remote viewing set up in one go.
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Points planned by workstation, neatly run, tested and labeled before handover.
Book nowMost jobs in Fenglin Road 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
Adjust mounting height and angle, configure recognition algorithms and lighting.
NTP time sync across devices for reliable evidence later.
Replace with a surveillance-grade drive; image first to salvage recoverable footage.
Check bitrate, drive and bandwidth, then adjust.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| HD camera installation | RMB 200–500/channel | Includes mount, tuning and 1-year warranty |
| NVR / DVR install | RMB 300–1500 | Includes drive setup and recording policy |
| Surveillance drive | RMB 300–1500 | 1TB–8TB, sized by retention days |
| POE switch | RMB 200–1500 | 4–24 ports, configured |
| Cable runs | RMB 30–80/point | Cat6, connectors, labeling and testing |
| Fiber splicing | From RMB 50/point | Includes termination box and test |
From the first call to acceptance and payment, in a few steps
Measure the site, place points, deliver a plan and budget
You confirm before work; no mid-job price changes
Neat cabling and clear labels, minimizing business disruption
Cameras, recording and phone viewing configured and you're shown how to use them
From a single device to a whole office, all handled the same way

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 software companies client working in Shanghai South Station 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 Fenglin
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.
We schedule after hours or off-peak, working section by section.
Equipment is warranted for 1 year, with optional annual maintenance afterwards.
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
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On-site in Fenglin Road, surrounding subdistricts and all of Xuhui