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Mold Making

Injection Mold Design & Manufacturing in China

Injection mold design and manufacturing in China with DFM, mold engineering, T0/T1 trials, modification, and plastic injection molding support.

Suitable Mold Projects

Jeancen supports injection mold projects where tooling decisions need to connect part requirements, mold structure, trial results, and the next production stage. Engineering review is supported by a senior mold engineer with 12+ years of mold design experience.
  • New tooling projects after the product data and DFM scope are clear
  • Replacement or transferred molds that require an engineering recheck
  • Fit-sensitive, appearance-sensitive, or structural plastic components
  • Programs that require T0/T1 correction and a defined production handover path

Mold Engineering Evidence

The project gallery above shows anonymous mold design, component, and tooling views currently used on this page. These records support the engineering steps below without identifying a customer or claiming a guaranteed project result.
  • Mold structure and insert layout reviewed against the part geometry
  • Gating, cooling, venting, and ejection concepts evaluated before design release
  • Tool assembly, trial observations, and measurement records used to plan the next correction

From Design Review to Tooling Handover

01 — Design review: confirm part data, resin, expected volume, critical dimensions, appearance requirements, and open DFM risks.
02 — Tool design: review the mold structure, parting and shutoff strategy, runner and gate approach, cooling, venting, ejection, inserts, and maintenance access.
03 — Build and assembly: machine the mold components, complete fitting and assembly, and check key items before the first trial.
04 — T0/T1 review and correction: evaluate dimensions, appearance, assembly fit, part release, and agreed CTQs; then define the next tooling changes or validation step.
05 — Handover: review open risks, trial records, maintenance access, wear areas, and responsibilities before the mold moves to the agreed production stage.

Tooling Risks We Review

The purpose is to identify risks that may affect trial, fit, appearance, dimensions, or later molding—not to promise that every issue is eliminated before T0.
  • Filling and weld-line risk: gate direction, flow balance, thin or thick transitions, and trapped-air areas
  • Cooling and dimensional risk: uneven wall sections, heat concentration, shrinkage, and warpage drivers
  • Parting, shutoff, and ejection risk: flash-sensitive edges, draft, undercuts, fragile features, and release marks
  • Maintenance and iteration risk: insert access, wear areas, adjustment strategy, and records needed after trial
Detailed pre-tooling checks remain on the Engineering & DFM page; this page focuses on how those decisions continue through mold design, build, trials, and handover.

What to Send

Provide the information available for the current project stage. Missing items can be identified during the initial review.
  • STEP, STP, IGES, IGS, X_T, PDF, ZIP, or product photos with key dimensions
  • Resin or material requirement, expected volume, and target production location
  • Critical fit, appearance, dimensional, assembly, or functional requirements
  • Current project stage, target validation plan, and any known tooling or trial issues

What You May Receive

The review output depends on the project data and agreed scope. NDA support is available before quotation.
  • DFM comments and a tooling concept discussion
  • Mold design review points and identified risk items
  • Trial observations, agreed measurement or validation records, and correction priorities
  • A recommended next step for T1/T2, mold handover, or injection molding support


Request a Project Review

Send STEP, STP, IGES, IGS, X_T, PDF, ZIP, or product photos with key dimensions. NDA is available before quotation. Our engineering team will review the application, material, expected volume, critical requirements, and current project stage before recommending the next step.