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Documented evidence · 2020-2022

Case Studies.

Verified performance, practical action and market-access evidence, recorded through independent data, public demand and supplied archives.

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Performance · Public health · Market access

Historical record showing U.S. CDC-published filtration test results and the Sanqi N95 model listed first
Supplied historical record
Case01

March 2020 to February 2022 · Test record

Performance documented in the data.

The supplied company record reproduces U.S. CDC-published test results for filtering facepiece respirators evaluated for U.S. market entry and lists Sanqi's model first in the displayed ranking.

99.81%

Minimum particulate filtration efficiency shown in the supplied historical record.

Case02

JD Health · February 14, 2020

More than 50 million users at the peak.

Beginning on February 14, 2020, SAN QI MEDICAL worked with JD Health to release 100,000 3Q surgical masks each day through Sanqi’s self-operated store on JD.com. Daily supply and purchase limits helped stabilize prices. At peak demand, more than 50 million users attempted to secure the same daily allocation simultaneously. According to Sanqi’s company records, the initiative eased supply-and-demand pressure and received recognition from the National Development and Reform Commission and the Beijing Municipal Party Committee.

50M+

Concurrent users recorded at the highest demand peak.

JD Health traffic dashboard showing peak demand for Sanqi epidemic-prevention supplies on February 15, 2020
JD Health traffic dashboard
Case03

Pandemic response · Supplied archive

Recorded across domestic and international access channels.

Supplied archive materials show SAN QI MEDICAL in the China Chamber of Commerce for Import & Export of Medicines & Health Products database and document domestic and overseas emergency-access recognition during the pandemic response. The records support traceable review of the company’s market-access history.

02

Domestic and overseas access records shown in the supplied materials.

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