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Founded in 2015, 4C Air, Inc. is devoted to bringing clean air through innovative nanomaterials. Using technology developed at Stanford University, we are developing products and solutions for the most hazardous air pollutants, PM2.5. We have products developed for personal and home use and are actively exploring filtration for automotive, HVAC, clean room, and medical uses.

4C Air Questions

The 4C Air annual revenue was $3 million in 2026.

Xiaobing W is the China CEO of 4C Air.

3 people are employed at 4C Air.

4C Air is based in Sunnyvale, California.

The NAICS codes for 4C Air are [333, 33].

The SIC codes for 4C Air are [35, 356].

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