Sourcing Wiki

SourceToDoor guide cover showing an inspector measuring in-process products during production inspection in a China factory

During Production Inspection in China: How Ecom...

Learn how ecommerce brands use during production inspection in China to catch defects early, verify processes, control rework, and protect delivery.

SourceToDoor guide cover showing a precision injection mold and tooling inspection for China manufacturing asset control

China Manufacturing Tooling and Mold Ownership:...

Learn how ecommerce brands protect China manufacturing molds and tooling with ownership terms, asset records, maintenance controls, payment milestones, and transfer procedures.

China supplier purchase order quality terms and factory inspection controls

China Purchase Order Quality Terms: What Ecomme...

A practical guide to the quality terms ecommerce brands should put in China supplier purchase orders before paying a deposit, starting production, or releasing final payment.

Golden sample approval and quality control before mass production in China

Golden Sample for China Manufacturing: How Ecom...

Learn how to approve, document, and control a golden sample before mass production in China—then use it with specifications, testing, first-piece checks, and final inspection to prevent costly product variation.

Quality inspector checking ecommerce products in a China warehouse for an AQL sampling inspection

AQL Inspection Levels Explained: How Ecommerce ...

A practical guide to AQL inspection levels, defect classification, sampling decisions, acceptance limits, and pre-shipment quality control for China orders.

Product manager measuring a prototype while preparing a specification sheet for Chinese suppliers

How to Create a Product Specification Sheet for...

A practical guide to creating supplier-ready product specifications for accurate quotes, sample approval, quality control, packaging, inspection, and repeat orders from China.