🚢 Need Container Ocean Freight or Fast Air Cargo from China? Book Factory-to-Door Shipping with Cina Logistics →

Request Factory Sourcing & Quote

1. Scope
2. Product Specs
3. Customization & Files
4. Submit Inquiry
🔍 Factory Sourcing
🛒 1688 Buying
📦 Sample Bundling
🛡️ Factory Audit / QC
Paste link if you already have a product reference in China or overseas.
Direct Factory Matching: Our on-the-ground procurement specialists in Shenzhen & Yiwu will analyze Chinese domestic databases to find audited manufacturers offering top factory-direct pricing.

Sourcing Request Submitted!

We have received your specifications and our agents are contacting verified factories. A confirmation has been sent to .

💬 Chat with Procurement Specialist on WhatsApp
The Definitive China Sourcing Blueprint • Shenzhen Desk

China Product Sourcing Guide

Your comprehensive China product sourcing guide and factory playbook. From discovering direct 1688 manufacturers and executing AQL 2.5 quality control to tariff math and DDP freight forwarding.

Tracks: 6 Core Disciplines
Curriculum: 24 Master Sourcing Guides
Access: 100% Free & Open
Standard: ISO 9001 / AQL 2.5

China Sourcing Pillars

Select a core sourcing discipline to master direct factory discovery, product engineering, quality audits, and cross-border trade.

China Product Sourcing Master Guides

Filter by discipline to explore actionable playbooks across all 24 guides.

01
Sourcing • Blueprint

The Complete China Product Sourcing Guide (A to Z)

The foundational sourcing lifecycle: defining BOM specs, setting target unit economics, vetting Chinese plants, and managing production runs.

02
Sourcing • 1688

1688 vs. Alibaba: Unlocking Domestic Factory Prices

Why Alibaba prices carry a 15–30% export markup, and how to source products directly on 1688.com without a Chinese bank account.

03
Sourcing • Verification

Factory vs. Trading Company: 7 Verification Checks

How to decipher China Unified Social Credit Codes, review business scope licenses, and ensure you are dealing with real manufacturers.

04
Sourcing • Regional Hubs

China Manufacturing Cluster Map: Where to Source What

Province-by-province breakdown: Shenzhen (electronics), Dongguan (molds), Foshan (furniture), Yiwu (commodities), and Ningbo (plastics).

05
Quality • AQL Standard

AQL 2.5 Decoded: Defect Tables & Sample Size Math

How to calculate statistical sample sizes, define Critical, Major, and Minor defect thresholds, and read formal third-party QC reports.

06
Quality • On-Site Audit

On-Site Factory Audit Checklist & Capacity Screening

Evaluating raw material warehouses, calibration records, machinery maintenance, working conditions, and daily output metrics.

07
Quality • Prototypes

Sample Evaluation & Golden Sample Protocol

How to consolidate samples from 5+ factories into one shipment, create counter-samples, and lock down signed reference units.

08
Quality • Quarantine

Managing Factory Defects & Rework Inside China

How to quarantine failed lots in Shenzhen, enforce factory rework agreements, and resolve issues before goods leave mainland borders.

09
Legal • IP Protection

Why Western NDAs Fail: The Chinese NNN Framework

Non-disclosure, Non-use, and Non-circumvention. Enforceable Chinese jurisdiction, official chops, and protecting injection molds.

10
Legal • Settlement

Safe Payment Terms: The 30/70 Standard & TT Wire Rules

Structuring payment milestones: 30% initial deposit, withholding the 70% balance until AQL 2.5 sign-off, and avoiding bank scams.

11
Legal • Contracts

Bilingual OEM Purchase Agreements & PO Clauses

Key clauses for delivery deadlines, late penalties, raw material specifications, and defect compensation under PRC trade law.

12
Legal • Banking

Corporate Bank Settlement & Wire Verification

Cross-checking official company beneficiary names, SWIFT codes, domestic RMB transfers, and corporate escrow security.

13
E-Com • Amazon FBA

FNSKU Thermal Barcoding & Label Compliance

Avoiding Amazon receiving rejections: barcode optical scan tests, label placement rules, and suffocation warning polybags.

14
E-Com • TikTok Shop

Fulfillment by TikTok (FBT) Dock Receiving Rules

Carton dimension caps, master carton labeling, packing slips, and rapid air-injection prep for viral inventory surges.

15
E-Com • Packaging

Multi-Factory Kitting, Bundling & Custom Unboxing

Combining products from multiple Chinese factories into a single retail box, inserting user manuals, and shrink-wrapping.

16
E-Com • Financials

True Landed Cost Formula & Unit Economics

Ex-factory cost + inspection fee + ocean freight + customs duties + FBA prep. How to protect margins against hidden charges.

17
Logistics • Incoterms

Incoterms 2020: EXW vs. FOB vs. DDP Explained ↗

Where risk and cost transfer from factory to buyer. Why novice importers should avoid EXW and how DDP simplifies customs.

18
Logistics • Volume Math

CBM Math & Container Loading Optimization ↗

How to design master carton dimensions to maximize container stuffing rates and avoid paying for shipping empty air.

19
Logistics • Customs

HS Code Classification & Section 301 Tariff Audits

Finding the exact Harmonized Tariff Schedule (HTS) code, verifying China tariffs, and avoiding customs seizure penalties.

20
Logistics • Shipping

FCL vs. LCL: Finding the Break-Even Freight Threshold

When does a shared Less-than-Container Load (LCL) become more expensive than booking a dedicated 20ft container (FCL)?

21
Product Dev • Tooling

Injection Mold Tooling & Prototyping Lifecycles

Lead times, T1 mold trials, steel grades (S136 vs P20), tolerance limits, and drafting explicit tool modification warranty terms.

22
Product Dev • Packaging

Custom Retail Packaging & Dieline Engineering

Paperboard weights (GSM), fluting choices for corrugate, spot UV coatings, Pantone color matching, and internal EVA foam design.

23
Logistics • Transit Math

Air Express vs. Standard Air vs. Ocean Transit Matrix

Balancing inventory turns vs. shipping cash flow: analyzing 3-day express, 10-day dedicated air DDP, and 30-day ocean freight.

24
E-Com • Fulfillment

Direct China Dropshipping & Private Warehouse Pick-Pack

How scaling DTC brands bypass domestic 3PL storage fees by fulfilling individual client orders directly from Shenzhen within 5–8 days.

📋 Factory Pre-Flight Checklist

Core verification requirements before wiring down payments to any mainland factory:

  • PRC Business License: Match registered capital, legal address, and authorized scope.
  • Domestic Bank Routing: Corporate bank account name must match the license character for character.
  • Tooling Ownership Protocol: Written confirmation that you own 100% of custom injection molds.
  • AQL 2.5 Contract Clause: Clear language stating failed lots must be reworked at the supplier's expense.
  • Export Compliance: Proper Chinese Customs registration code (CR Code) for direct export clearances.

🛡️ Defect Classification Standard

Standard inspection tolerances followed across our Shenzhen QA desks:

  • 🔴
    Critical Defects (Allowed: 0): Safety hazards, sharp metal burrs, exposed wiring, non-compliant barcode scanners.
  • 🟡
    Major Defects (AQL 2.5): Functional failure, incorrect dimensions, wrong Pantone color, cracked components.
  • 🟢
    Minor Defects (AQL 4.0): Cosmetic scuffs, slight packaging wrinkles, minor printing misalignment inside tolerances.
  • 📦
    Packaging Drop Test: ISTA 1A standard carton drop verification from 76cm height across corners and faces.

Need On-The-Ground Execution in China?

Study the playbooks or partner directly with our Shenzhen procurement desk. We discover audited factories, verify licenses, enforce AQL 2.5 standards, and handle DDP delivery.