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Old Zhao – Management Systems Only
Old Zhao – Management Systems Only
Feb 3, 2026 · Operations

Scientifically Set Procurement Frequency to Cut Costs and Avoid Stockouts

This guide shows manufacturing and trade managers how to scientifically determine procurement frequency by classifying materials, accounting for hidden ordering and holding costs, applying the Economic Order Quantity model, and adjusting for supply‑chain uncertainty, ultimately using a procurement system to automate and optimize the process.

EOQProcurementcost optimization
0 likes · 9 min read
Scientifically Set Procurement Frequency to Cut Costs and Avoid Stockouts
Model Perspective
Model Perspective
Sep 23, 2025 · Operations

Unlocking the Power of the Checkmark Function: Real-World Optimization Made Simple

The article introduces the checkmark function—a mathematical model where a linear term rises while an inverse term falls, creating a unique minimum—and demonstrates its powerful applications across inventory management, fence design, production batch sizing, and equipment maintenance, highlighting common optimization features.

EOQOptimizationcheckmark function
0 likes · 9 min read
Unlocking the Power of the Checkmark Function: Real-World Optimization Made Simple
Old Zhao – Management Systems Only
Old Zhao – Management Systems Only
Aug 25, 2025 · Operations

Why Overstocks Happen and How to Master Lean, Precise Procurement

The article explains how excessive inventory ties up cash flow, identifies root causes such as inflated safety stock, poor supplier analysis, and inadequate material classification, and offers a data‑driven, step‑by‑step framework—including classification, demand forecasting, supplier management, and EOQ—to achieve lean, precise purchasing.

EOQProcurementSupply Chain
0 likes · 7 min read
Why Overstocks Happen and How to Master Lean, Precise Procurement