Knowledge Base
Practical Sourcing Resources for the Pearl River Delta
Guides, checklists, and templates to help you verify suppliers, audit factories, develop products, and manage quality.
Featured Downloads
Start with these three essential resources. Most requested by buyers sourcing in the PRD.
Supplier Verification Checklist for Guangdong Manufacturers
For: Buyers evaluating a new supplier in the PRD
Not sure what to check to confirm a supplier is a real manufacturer?
Request this resourceProduct Brief Template for Accurate Factory Quotes
For: Buyers preparing to request quotes from multiple factories
Getting inconsistent quotes because your product brief is unclear?
Request this resourceQuote Comparison Template for OEM Projects
For: Buyers comparing OEM proposals from multiple factories
Need a structured way to compare quotes across different factories?
Request this resourceAll Resources
Supplier Verification
Supplier Verification Checklist for Guangdong Manufacturers
Not sure how to check if a supplier is a real manufacturer?
Request this resourceHow to Identify Trading Companies vs. Manufacturers
Worried about paying middleman markups without real factory access?
Request this resourceFactory Visit Checklist: What to Check On-Site
Planning a factory visit but not sure what to look for?
Request this resourceFactory Audit
Factory Audit Checklist for First-Time Buyers
First production order and need to assess factory capability?
Request this resourceDongguan Factory Audit Guide: Molds, Plastics, and Hardware
Sourcing tooling or plastic parts in Dongguan?
Request this resourceQuality System Audit: What to Evaluate Beyond ISO Certificates
Factory has ISO 9001 but you want deeper assessment?
Request this resourceProduct Development
Product Brief Template for Accurate Factory Quotes
Getting inconsistent quotes because your product brief is unclear?
Request this resourceDesign for Manufacturing Checklist
Design files ready but not sure if they are production-ready?
Request this resourceSample Approval Checklist Before Mass Production
Received samples — how to evaluate them systematically?
Request this resourceQuality Control
AQL Inspection Guide for Overseas Buyers
Not familiar with AQL sampling and defect classification?
Request this resourcePre-Shipment Inspection Checklist by Product Category
Need to know what to inspect before your shipment leaves?
Request this resourceCommon Quality Issues in PRD Electronics Manufacturing
Sourcing electronics and want to anticipate common defects?
Request this resourceManufacturing Clusters
PRD Manufacturing Cluster Selection Guide
Not sure whether to source in Shenzhen, Dongguan, or Zhongshan?
Request this resourceShenzhen Electronics Sourcing Guide
Sourcing electronics and need to understand the Shenzhen ecosystem?
Request this resourceZhongshan LED Lighting Supplier Guide
Looking for LED lighting suppliers — where to start in Zhongshan?
Request this resourceCost and Quotes
Quote Comparison Template for OEM Projects
Comparing quotes from multiple factories — how to normalize them?
Request this resourceManufacturing Cost Breakdown: Materials, Labor, Tooling, Overhead
Want to understand what should be in a factory cost breakdown?
Request this resourceIncoterms Guide for Importing from China
Unclear on FOB vs. CIF vs. DDP and what each means for your cost?
Request this resourceGet Manufacturing Insights by Email
Practical sourcing tips, cluster updates, and factory insights — delivered twice a month.
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