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Buyer Guides

The questions serious buyers ask before wiring a deposit — answered with the same rigor we apply to a CADR chamber.

OEM Selection

Top 10 Air Purifier OEM Manufacturers in China (2026): How Serious Buyers Shortlist

A criteria-first shortlist of China's air purifier OEM landscape for 2026 — the ten manufacturer profiles worth auditing, and the exact checks to run before you commit.

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OEM Selection

How to Choose an Air Purifier OEM: The 8-Point Checklist

MOQ, certification, filter engineering, AQL, customization depth, lead time, samples and communication — the eight checks that separate a good air purifier OEM from an expensive lesson.

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Compliance

Air Purifier Certifications by Market: US, EU, UK, Japan, Korea, Gulf — What Your Supplier Must Have

Market-by-market certification requirements for air purifiers: ETL/UL, FCC, CARB, EPA, Prop 65 for the US; CE, UKCA, GS for Europe; PSE, KC, RCM, SASO for Asia-Pacific and the Gulf.

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Amazon / DTC

CARB, FCC, Prop 65: The Amazon Seller's Compliance Checklist for Air Purifiers

The exact documentation Amazon asks air purifier sellers for — CARB ozone certification, FCC, EPA registration, Prop 65 — and how to source a factory that has it ready before your listing goes live.

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OEM Selection

OEM vs ODM for Air Purifiers: Costs, MOQs, and Timelines Explained

What private-label OEM and new-tooling ODM really cost in the air purifier category: MOQ 500 and 40–50 days for light customization vs. project-based ODM with in-house mold making.

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Engineering

True HEPA vs HEPA-type: What Brands Should Specify in Their RFQ

H11, H12, H13 — what HEPA grades actually mean, why 'HEPA-type' is not HEPA, and the exact filter specifications to put in your air purifier RFQ so samples and mass production match.

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Engineering

CADR Explained: How to Read an AHAM AC-1 Test Report Before You Sign

Clean Air Delivery Rate decoded: what AHAM AC-1 measures, how chamber volume and test standard change the number, and the five fields to check before accepting a supplier's CADR claim.

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Tell us your target market — we will map the exact compliance package.

Certificates are issued per model. Send us your market, channel and estimated quantity, and our team will respond with the matching models, certificates and a quotation within one working day.

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