The Core Metrics: A Three-Pillar Evaluation System

The most effective evaluation spreadsheets focus on three critical pillars that determine sourcing success. Tracking these over multiple orders reveals a vendor's true capabilities.

1. QC Success Rate

This is the cornerstone of product quality. Buyers meticulously record the percentage of units that pass their Quality Control (QC)

  • Calculation:
  • Data Point:
  • Goal:98% is often a benchmark for top sellers).

2. Shipping Reliability & Speed

Timely and predictable logistics are crucial for inventory planning. This metric goes beyond mere promises.

  • Tracked Data:Promised Ship DateActual Ship Date, Carrier Used, EstimatedActual Transit Time.
  • Key Insight:
  • Advanced Metric:

3. Communication Speed & Effectiveness

Responsiveness directly impacts problem-solving and partnership smoothness.

  • Measurements:
  • Scoring:
  • Critical Factor: