01 / Component sourcing
Before buying scarce components, check the supply path
A purchasing checklist for electronic component offers: authorized channels, source documents, lot identity, support limits and approval before commitment.
Read the guideRIVETBRIDGE / BUYER GUIDES
Practical China supplier guides for hardware teams
Start with your decision: verify a supplier, compare quotes, or plan a second source. Each guide includes a working example and a next step.
Choose your decision
02 / Component continuity
Before a last-time buy, turn the discontinuance notice into a decision
A hardware buyer checklist for a component end-of-life notice: affected part numbers, final order and shipment dates, demand assumptions and replacement review.
Read the guide03 / Shipment inspection
What an AQL inspection pass does and does not tell you
Read a supplier lot-inspection report before shipment release: check the lot, sampling plan, defect definitions, results and unresolved tests.
Read the guide04 / Supplier evidence
Verify a supplier bank account change before paying
A purchasing checklist for changed supplier payment instructions: independent confirmation, a traceable review record and escalation before releasing funds.
Read the guide05 / Tooling and purchasing
Tooling ownership questions before a China purchase order
Clarify tooling ownership, custody, design files, maintenance and transfer arrangements before committing to a China manufacturing quote.
Read the guide06 / Procurement tools
Build a supplier clarification log that leads to a decision
Track supplier questions with requirement references, owners, evidence and closure rules. Includes an editable log and a worked quote example.
Read the guide07 / Supplier due diligence
China supplier verification: what the evidence actually proves
Use an evidence-based checklist to separate supplier identity, manufacturing capability, and product-specific approval before committing.
Read the guide08 / Quote analysis
Compare China supplier quotes on the same basis
Normalize specifications, quantity, tooling, terms, packaging, and delivery assumptions before choosing a manufacturing quote.
Read the guide09 / Second-source planning
A second-source qualification plan from baseline to release
Build a gated plan from requirement baseline and supplier evidence through sample, pilot, and release—without confusing a shortlist with approval.
Read the guide010 / Factory audit scope
What a China factory audit can—and cannot—prove
Match a China factory audit to your decision: understand system, process and product evidence, blind spots, and when testing or a desktop review is needed.
Read the guide011 / Technical RFQ preparation
How to write a technical RFQ that produces comparable supplier quotes
Build a revision-controlled manufacturing RFQ with clear quantities, technical requirements, cost fields and a supplier deviation log before comparing quotes.
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Supplier Evidence Matrix →
Record claims, sources, gaps and the owner of each next action.
Quote Comparison Workbook →
Normalize manufacturing costs and make missing inputs visible.
How to use these guides
These are working methods and clearly labeled illustrations, not client case studies or product-specific compliance advice. Adapt each checklist with your engineering and quality owners. Specific legal, customs, and testing questions need the appropriate specialist.
Prepared by RivetBridge. Read our review methodology →
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