Product Trends
What is actually selling across the seven core categories, and why the demand moved.
Read the trend reportsChina Product Discovery, Teardown and Sourcing Insights
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Teardown Reports
Full disassembly, measured output and component identification on the units we evaluate.
Browse the teardowns -
Cost Analysis
BOM cost, landed cost and the margin left after both, with the assumptions stated.
Read the cost analysis -
Buying Guides
Selection guides for importers, brands and procurement — what to check before you commit.
Read the guides -
Supplier Insights
Factory capability, verification findings and the sourcing risks that show up after the quote.
Read the supplier notes
Every article follows the same structure: what the product is → what is inside it → what it costs → how BaiSourcing sources and verifies it. Reports are released continuously from current bench work — ask us for the report on the model you are evaluating.
Selected reports
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How to Review a Supplier Quote: A Complete BOM Audit Guide for China Sourcing
Learn how to review Chinese supplier quotations with a BOM audit approach. Identify hidden component costs, verify specs, and make data-driven sourcing decisions before placing volume orders.
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Hair Dryer Motor Teardown: How to Verify RPM Specs and Avoid Counterfeit Motors
100K on the Label. 50K on the Tachometer. Same Diameter. Different Product. We have tested motors from over 20 suppliers in the past two years..
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Handheld Fan Battery Fraud: 3000mAh Claim, 800mAh Reality
3000mAh to 1800mAh to 800mAh. Not a Math Problem. A Supply Chain Problem. We tore down a handheld fan this week. What we found was not a single.
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Hair Dryer PCB Comparison: Dyson Copy vs Genuine Brand
Two PCBs. Same Shape. Same Voltage. Completely Different Safety. In our previous Dyson copy teardown, we found no ground wire and no thermal.
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$5 Dyson Copy Teardown: No Ground Wire, Fake RPM, Fire
What We Found Inside a $5 Dyson Copy On paper, the factory claims: Motor speed: 110,000 RPM brushless EXW price: $5.00 Appearance: 1:1 Dyson.
