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

Component-level repair instead of board replacement, stress-tested before handover.
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Install and activate a genuine OS, load all drivers in one pass, and configure office and common software to your habits.
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Measure signal strength and interference point by point, map the dead zones, and deliver a plan and quote before any work.
Book nowMost jobs in Yinxing can be scheduled the same day, with our technician bringing full tools and parts
Most jobs can be scheduled the same day; we confirm the time by phone.
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.
Diagnose step by step, locate first, then quote
Check concurrency and bandwidth, add APs to offload and set rate limits.
Scan surrounding channels, avoid congested bands, plan 2.4G and 5G separately.
Survey by area, workstations and walls, deliver a point map and budget.
Split the guest network, isolate and rate-limit it, and put office devices on a separate subnet.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| Whole-home WiFi plan | From RMB 800 | Includes survey, device selection and full tuning |
| Mesh tuning | From RMB 300 | Includes node placement and backhaul selection |
| Cable points | From RMB 80/point | Includes panel, module and label testing |
| Switch / POE config | From RMB 150 | Includes VLAN, rate limiting and port planning |
| Guest network & security | From RMB 200 | Includes isolation, rate limiting and password policy |
| Annual maintenance | Negotiable | Scheduled inspection + emergency response |
From the first call to acceptance and payment, in a few steps
Back up desktop, documents and chat history, confirm before touching anything
Genuine OS + full drivers, office software configured as needed
Restore files and test opening, printing and browsing on the spot
Go through the notes, 90-day system warranty
We do a lot of this type of work, so diagnosis and spares are well covered

A online-education providers client working in Wujiaochang 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.

A fresh-produce stores client in Dalian Road HQ Zone 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.
What you most want to know about on-site service in Yinxing
No response to the power button, liquid damage, black/distorted screen, won't charge, short circuits — these may all need it. Free on-site diagnosis locates the fault, then we tell you whether to repair components or replace the board.
Most component-level repairs are quoted far below board replacement. If it's genuinely unrepairable, we'll say so clearly and let you decide whether to replace or go another route.
Repair warranty is 90 days. Before handover we run power aging and stress tests, photograph before and after, and list replaced parts honestly on the invoice.
The sooner the better. Power off and don't keep powering it on; after stripping and de-corrosion most can be saved. Even with heavy board damage, drive data can usually be recovered separately.
On-site fixes are done immediately; rework-station jobs usually take 1–3 working days, and we give an estimate when we take it on.
Yes. Judgment and diagnostic depth differ. An independent diagnosis costs nothing extra: component repair if possible, board replacement only if genuinely necessary.
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 Yinxing, surrounding subdistricts and all of Yangpu