Tianchen Ruan
Tianchen Ruan's California Mechanical Engineer stamp
Watermarked specimen
This downloadable California Mechanical Engineer stamp specimen was generated for Tianchen Ruan from the public license details in this directory listing, including license number 40048. The preview is watermarked and does not prove that Tianchen Ruan approved or sealed a document.
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Tianchen Ruan holds a Mechanical Engineer license in California. The credential is registered under license number 40048 and is currently active. It has been on record since 2020. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.