Ningjin Xu
Ningjin Xu's California Mechanical Engineer stamp
Watermarked specimen
This downloadable California Mechanical Engineer stamp specimen was generated for Ningjin Xu from the public license details in this directory listing, including license number 42420. The preview is watermarked and does not prove that Ningjin Xu approved or sealed a document.
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Ningjin Xu is a Mechanical Engineer licensed to practice in California. The credential is registered under license number 42420 and is currently active. It has been on record since 2024. Licensure is issued and verifiable through the California Board for Professional Engineers, Land Surveyors, and Geologists.