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
Injection molding
Conformal Cooling in Injection Molding
In the world of Conformal Cooling Injection Molding, how a mold gets cooled is just as critical as how it is designed.
Why Injection Molds Fail: Cracking & Galling Fixes
The most common injection mold failure modes, cracking, galling and erosion, what causes each, and the steel, coating and cooling fixes that stop them.
Cheap China Molds: Where Shops Cut Corners
With a global plastic molding market size valued at roughly 385 billion USD in 2023, 40-45% of the global injection mold exports originate from China.
Over-molding vs. Insert Molding: Preventing Delamination
Why over-molded and insert-molded parts delaminate, and how substrate prep, bond chemistry, gate position and mold temperature prevent bond failure.
Auditing China Mold Shops: An Engineer’s Checklist
An engineer's checklist for auditing a Chinese mold shop: equipment, metrology, process control, documentation and the red flags worth walking away from.
Chinese Mold Makers Vs Local: Price & Quality Data
Chinese versus local mold makers compared on tooling price, lead time, quality systems and total landed cost, with the trade-offs for each sourcing route.
Resin Prices 2026–2027: ABS, PC, Nylon Trends
This guide provides a breakdown of real market data, material cost trends and actionable insights for procurement teams in 2024-2025.
Injection Defects: Flash, Warpage & Sink Data
What causes flash, warpage and sink marks in injection molding, how to read each defect, and the tooling and process changes that eliminate them.
Plastic Shrinkage Rates: ABS, PC, PA66, POM, PP
Shrinkage rates for ABS, PC, PA66, POM and PP, and how to compensate for them in mold design so parts hit their dimensions after cooling.
Injection Molding Cost Factors: Material & Cycle Data
The cost factors behind an injection molded part: resin price, cycle time, cavity count, machine tonnage, scrap rate and secondary operations.
Aluminum vs Steel Molds: Price & Lead Time Data
Aluminium versus steel injection molds compared on tooling price, lead time, cycle time and tool life, and the volume where steel becomes cheaper.
Mold Component Quality: Pins, Bushings & Slides
Injection Molds play a crucial role in the plastic manufacturing sector, particularly for high-volume production.
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