Engineering insights

Guides, data and case studies from our tooling engineers

Practical articles on stamping dies, injection molds, tooling spare parts and sourcing from China, written by the engineers who design and build them in Dongguan.

99 articles8 case studiesUpdated Oct 14, 2026

All articles

Stamping diesApr 27, 20269 min

Die Component Hardness: Chart & Wear Data

A hardness chart for die components, punches, inserts, guide pillars and bushings, with wear data and the HRC ranges suited to each application.

Spare parts and machiningMay 22, 202510 min

How to Choose a Precision Machining Partner

How to choose a precision machining partner: tolerance capability, certifications, DFM support, capacity and the quality data to check first.

Injection moldingMay 6, 202511 min

Costs of Cheap Injection Molds

The true cost of a cheap injection mold: short tool life, dimensional drift, unplanned repairs and scrap that outweigh the upfront saving.