# Request an engineering review

Send drawings for a process review and quote. Files are treated as confidential. An NDA is not required to start.

Accepted files: STEP, STP, PDF, DWG, DXF, or a zip of those. Up to 200 MB per file.

Form: https://chengdubeiji.com/rfq

Or email john@sunbirdmanufacturing.com and ed@chengdubeiji.com.

Need paper? https://chengdubeiji.com/confidentiality