on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
We diagnose step by step on site, locate the real fault, then quote
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 now
Asset records, scheduled inspections and fault response, billed per device monthly.
Book nowMost jobs in Petrochemical Subdistrict can be scheduled the same day, with our technician bringing full tools and parts
Common parts are carried in the van, so most faults are fixed on the spot.
On-site diagnosis is free; we only start after you approve the quote.
You pay only after you're satisfied; repairs carry a 90-day warranty.
Diagnose step by step, locate first, then quote
Replace panels and modules, re-terminate and test.
Remove and restore old points, cable the new site to drawing and test on delivery.
Test point by point to find the bottleneck, re-terminate or swap ports.
Re-label and produce a port map.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| 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 |
| Distribution panel upgrade | From RMB 1000 | Circuit planning, cable replacement and labels |
| Relocation & re-mount | Negotiable | Dismantle, transport, re-mount and power-up acceptance |
From the first call to acceptance and payment, in a few steps
Deliver test records and label table, 1-year workmanship warranty
Tell us company size and device count; we call back within 30 minutes
Inventory devices and network, deliver a risk list
Device records, accounts and remote-assist access
From office towers, parks and chain stores to homes — bookable across the city
A machining factories client in Petrochemical Subdistrict had a device go down suddenly. We judged the fault direction by phone, and our technician brought matching parts and completed repair and testing the same day.
The client used to call only when something broke, and faults kept recurring. After asset records and scheduled inspections, the number of service calls dropped noticeably.
The client moved into a new office in Petrochemical Subdistrict, with devices and cabling to re-organize. We tested and numbered each device and delivered an equipment list at handover.
What you most want to know about on-site service in Petrochemical
As fast as 30 minutes if close and traffic is light, most jobs scheduled the same day. Survey and plans are free.
Yes. A few panels, modules or connectors are billed per point and tested for continuity on the spot.
We schedule after hours or on weekends where possible, and screen and clean up the work area. Daytime jobs are done section by section and restored immediately.
Every point is labeled and tested, and you get a point map and test record so later adds and troubleshooting are easy to locate.
Yes. We measure signal during the survey and plan AP points and cabling together, avoiding a second round of work.
Small jobs are usually half a day to a day; larger areas are done section by section.
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 Petrochemical Subdistrict, surrounding subdistricts and all of Jinshan
