Stop Guessing. Start Engineering.

Whether it is frontend process validation, factory QA/QC auditing, or on-site commissioning troubleshooting, send me your project requirements. I will provide an initial technical assessment within 24 hours.

Frictionless Direct Lines

For urgent engineering interventions, reach out via your preferred channel:

WhatsApp +86 13229453435
LinkedIn Weijie Cai
Office Location Room 4330, 2nd Floor, No. 33 Tangde West Road, Tianhe District, Guangzhou, China
Weijie Cai Independent Technical Consultant Specialized in Cross-Border Water Projects

Submit Project for Review

Describe your project in the form below. I will review your core parameters and respond within 24 hours under NDA. After that, you can send drawings, P&ID, or equipment lists by email or WhatsApp for a detailed review.

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Your Blueprints Stay Confidential.

As an independent consultant, I work under Non-Disclosure Agreements (NDA). Your engineering drawings, water parameters, and project data are used only for assessment purposes and are not shared with third-party manufacturers without your consent.

I provide independent technical consulting and third-party QA/QC support. My role is limited to recommendations and technical support; final design acceptance, regulatory compliance, and engineering responsibility remain with the project owner or client.