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 diesSep 26, 202612 min
Carbide Punch vs Tool Steel Punch: 6 Factors for the Best Choice
Carbide punch or tool steel punch? A practical comparison of D2, M2, PM high speed steel and tungsten carbide grades: hardness, toughness, clearance, wear life, regrinding...

Stamping diesSep 26, 202612 min
Copper Busbar Manufacturing: 8 Best Practices for EV Battery Packs
How a copper busbar for an EV battery pack is specified and made: material and temper, current sizing, skin effect, stamping and bending tolerances, plating, insulation,...

Stamping diesSep 26, 202612 min
Press-Fit Pin Guide: 9 Best Practices for Reliable PCB Connections
An engineering guide to the press-fit pin: compliant zone design, PCB hole and plating specs, insertion and retention forces, materials, progressive die stamping and IEC 60352-5...

Injection moldingSep 26, 202612 min
Mold Steel Guide: 7 Best Grades for Injection Molds (P20 to S136)
How to choose mold steel for an injection mold: hardness, polish, corrosion resistance, heat transfer and cost for P20, 718H, NAK80, S136, H13 and D2, with...

Sourcing and costSep 6, 20267 min
Field Implementation: Tooling Manufacturer in Dongguan
began searching for a tooling manufacturer Dongguan could deliver a robust, high-precision die that would eliminate defects, extend tool life,

Stamping diesSep 5, 20268 min
Quality Assurance Review: Stamping Die Products Tooling
The six-stage QA framework behind a reliable stamping die: DFM review, material verification, ±0.002 mm machining, CMM inspection and PPAP documentation.
Stamping diesSep 1, 20267 min
Technical Framework: Multi-Station Progressive Metal Forming
Precision manufacturing is being asked for more complex metal components, at higher volumes, with repeatability that never wavers.

Injection moldingSep 1, 20268 min
Margin Optimization: Sustainable Injection Mold Design OEM
How conformal cooling, hot runners, all-electric presses and closed-loop recycling cut energy use, scrap and per-part cost in OEM injection mold programs.

Stamping diesAug 27, 20269 min
Technical Framework: Multi-Station Progressive die Metal Forming
Multi-station progressive die metal forming explained: how one tool stacks blanking, piercing, bending and forming at 1,200 SPM to ±0.002 mm.

Stamping diesAug 24, 20269 min
Engineering Walkthrough: Deep Drawn Transfer Dies Stamping
How deep drawn transfer dies work: a walkthrough of transfer die stamping, draw stages, heavy-gauge forming and the tooling decisions that prevent costly scrap.

Stamping diesAug 22, 202610 min
Performance Audit: Precision Die Manufacturer Sheet Forming
How to performance-audit a precision die manufacturer: tolerance capability, tool life data, scrap rates, documentation and delivery evidence to request.

Injection moldingAug 20, 20269 min
Applied Proof: Insert Molding Manufacturer Metal Insert
Insert molding with metal inserts: how bond strength, insert placement, preheating and tooling design deliver reliable metal-to-plastic assemblies.
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