on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
Our technician brings tools and common parts, aiming to fix it in one visit

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.
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Step-by-step diagnosis of power, motherboard, GPU and cooling, with on-site replacement of PSU, motherboard and thermal parts.
Book nowMost jobs in Baihe Town 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
Power off, dry out, and clean/repair motherboard corrosion.
Internal cleaning, thermal paste replacement and better case airflow.
Dusty or worn fan bearings — clean it or replace the fan.
Clean redundant files, plan expansion, add an SSD if needed.
On-site diagnosis is free; the final price follows the itemized quote after diagnosis, and you confirm before we repair
| Item | Price range | Notes |
|---|---|---|
| System fault repair | From RMB 100 | Blue screen, boot and system file repair |
| SSD upgrade + OS install | From RMB 150 (excl. hardware) | Includes drive install, OS and data migration |
| Signal survey & plan | Free | On-site signal test + point planning + budget |
| AP deployment & tuning | RMB 150–400/AP | Includes point install, POE power and channel tuning |
| Roaming optimization | From RMB 200 | Includes threshold/channel tuning and on-site walk test |
| Whole-home WiFi plan | From RMB 800 | Includes survey, device selection and full tuning |
From the first call to acceptance and payment, in a few steps
Restore files and test opening, printing and browsing on the spot
Go through the notes, 90-day system warranty
Tell us the area, floors and where signal is poor; we call back within 30 minutes
Test signal and interference point by point, map dead zones, deliver a point map and budget
Real scenarios from this area, for your reference

A precision manufacturers client in West Hongqiao Business District 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 West Hongqiao Business District, 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 Baihe
On-site diagnosis is free. We give you a quote after diagnosis and only start once you confirm; if it can't be fixed for technical reasons, there's no charge.
Dust cleaning is generally RMB 80–150, including internal cleaning, fan cleaning and thermal paste. Recommended yearly, ideally before summer.
Most of the time, yes. Adding RAM or an SSD is the cheapest speed boost — install is usually RMB 50–100, parts can be sourced or brought by you, and done on the spot.
For anything involving storage, we back up or image it first. For recovery, we assess the success rate and confirm the cost before starting.
As fast as 30 minutes if close and traffic is light; most jobs scheduled the same day.
We diagnose first. Cleaning plus an SSD and RAM often gives a big speed boost, cheaper than replacing.
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 Baihe Town, surrounding subdistricts and all of Qingpu