Angle grinderPower tools
Dongcheng (东成) 710W angle grinder
Real review snippets
JD · 2026-06“Worked a few times, dead within weeks”
“Stiff power switch”
“Hard one-handed”
“Loud operation”
“Returns are a hassle”
Evidence for this model
The volume leader — Dongcheng 710W
Over 400,000 units sold; 98% positive across 200,000+ ratings (50k+ positive, ~200 negative). What the negative reviews say — the part overseas listings don't surface: occasional early motor failure ("worked a few times, dead within weeks"), a stiff power switch that's hard to flick one-handed, and loud operation. Returns described as a hassle.
Collected from
Source: JD.com product listings and verified buyer-review distributions (rating breakdowns, praise-tag counts, and one-star review text), captured by manual logged-in browsing. Brushless/cordless models and full per-SKU negative-review breakdowns to follow.
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- 2026-06
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