on-site diagnosis
repair warranty
most jobs scheduled
all Shanghai
Diagnose first, quote after, and only start once you approve

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.
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Laser printer repair for all major brands — jams, feed issues, faint print, black lines and noise, with fuser and pick-up roller replacement on site.
Book nowMost jobs in Huayang Road can be scheduled the same day, with our technician bringing full tools and parts
Business clients get repair invoices and itemized records for reimbursement.
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.
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 |
|---|---|---|
| PSU replacement | RMB 150–400 | Depends on wattage and brand |
| Motherboard chip-level repair | RMB 300–800 | Power, short circuit, liquid damage |
| GPU repair / replacement | RMB 200–800 | Depends on model |
| Drive replacement + migration | RMB 200–600 | Includes system and data migration |
| Data recovery | RMB 500–2000 | Success rate assessed first, cost confirmed before recovery |
| Laser printer repair | RMB 80–200 | Jams / feed / faint print / black lines / noise |
From the first call to acceptance and payment, in a few steps
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
You confirm before work; no mid-job price changes
AP point install, POE power and cable runs, minimizing disruption
Business, store and home clients alike, with a technician arranged nearby

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 foreign-company offices client working in Gubei 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 cross-border e-commerce client in Xianxia 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.
What you most want to know about on-site service in Huayang
Yes, billed monthly by machine count, including upkeep and emergency repairs.
AP deployment is RMB 150–400/AP, whole-home plans from RMB 800, depending on area, floors and whether cabling is needed. Survey is free — we give a point map and budget first.
As fast as 30 minutes if close and traffic is light, most jobs scheduled the same day. Survey and plans are free.
It depends. Existing network ports can be used directly; otherwise we run surface trunking or ceiling runs, kept as concealed as possible.
Not necessarily. A single router can't punch through many walls regardless of power; dead zones are usually solved by point distribution, and we'll explain during the survey.
We walk-test speeds in every room, check signal strength and handoff, and finish only when it meets the bar.
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 Huayang Road, surrounding subdistricts and all of Changning