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

Injection moldingJul 11, 20269 min

Injection molding: Hot Runner Vs Cold Runner

Hot runner versus cold runner injection molds compared on tooling cost, cycle time, material waste and maintenance, with the break-even volume for each.

Stamping diesJun 28, 20269 min

What Drives Metal Stamping Die Costs?

The real cost drivers behind a metal stamping die: part complexity, station count, tool steel, tolerance class, surface treatment and expected tool life.

Stamping diesJun 27, 20269 min

Stamping Tool Steel HRC Hardness Chart

An HRC hardness chart for common stamping tool steels including D2, DC53, SKD11 and powder grades, with wear behaviour and typical applications.