What data should we provide?

Gerber, BOM, CPL / PnP, quantity, test, programming, packaging and target delivery requirements are recommended.

Can GUANWEIER sign an NDA?

Yes. Select the NDA requirement in the RFQ form and a project manager will confirm the scope and signing method.

No. PCB limits, package limits, test coverage and project lead time are confirmed against actual project data.

The project team confirms the data scope before engineering, material and manufacturing review.

TECHNICAL NOTE

Five Risks in BOM Substitution at GUANWEIER, a one-stop PCBA and EMS manufacturing partner in Fuhai, Bao'an, Shenzhen.

ENGINEERING KNOWLEDGE

Organized around inputs, engineering decisions and deliverables without repeating the site-wide manufacturing flow.

Align manufacturer, part number, package, quantity and reference designators.

Input · BOMOutput · Normalized BOM

Identify shortage, lifecycle, storage, moisture sensitivity and batch risks.

Input · Supply dataOutput · Risk register

Compare electrical, package, compliance, software and manufacturing fit with customer approval.

Input · CandidatesOutput · Difference & approval record