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Custom molding services from concept to production banner

Custom molding services from concept to production

DongXin provides plastic injection molds, plastic molding, liquid and solid silicone molding, OEM / ODM development, industrial design and CNC machining support for global customers.

What We Do

Services prepared for custom plastic and silicone product programs

Plastic injection molding production line
01

Plastic Injection Molding

Custom plastic molded parts for automotive, medical, electronics, consumer products and industrial components.

  • Molding process review
  • Material and structure support
  • Sampling to mass production
Typical applications: Housings, brackets, connectors, functional plastic components and custom molded parts.
Precision plastic injection mold tooling
02

Plastic Injection Mold Manufacturing

Precision plastic injection molds built around DFM, tooling feasibility, trial molding and production stability.

  • Mold design
  • CNC and EDM processing
  • Tooling trial support
Typical applications: New product molds, replacement tooling, mold improvement and production tooling programs.
Liquid silicone rubber injection molding
03

Liquid Silicone Injection Mold

Liquid silicone mold solutions and molded silicone parts support for custom product programs.

  • LSR mold planning
  • Silicone part development
  • Application-oriented review
Typical applications: Soft-touch parts, sealing components, wearable parts and custom silicone products.
Solid silicone compression molding parts
04

Solid Silicone Compression Mold

Compression mold and silicone part manufacturing support for solid silicone product requirements.

  • Compression mold structure
  • Solid silicone parts
  • Process feasibility check
Typical applications: Gaskets, pads, covers, seals and low-to-mid volume silicone components.
OEM and ODM product engineering workspace
05

OEM & ODM Product Development

From drawings, samples or early ideas to product review, prototyping, mold making and manufacturing.

  • Industrial design
  • Mechanical optimization
  • Rapid prototype validation
Typical applications: Early-stage concepts, sample replication, structure optimization and product launch support.
CNC precision machining for mold components
06

CNC Machining & Precision Processing

Precision machining support for mold manufacturing, product development and custom component programs.

  • Precision machining
  • Mold component processing
  • Engineering support
Typical applications: Mold cores, cavities, inserts, prototypes and precision metal or plastic components.
Technical drawings, samples and project specifications for manufacturing review

Project Inputs

What you can send us for review

DongXin can evaluate complete technical packages or early-stage product ideas. The more project details you provide, the faster our team can check feasibility and prepare suggestions.

01

Input

2D / 3D drawings

CAD files, 2D drawings, STEP / STL files or dimensioned sketches for structure review.

02

Input

Physical samples

Existing parts or reference samples help us check size, structure and processing details.

03

Input

Product ideas or sketches

Early concepts, hand sketches or reference photos are enough for an initial feasibility check.

04

Input

Material requirements

Share preferred plastic, silicone, hardness, certification or application environment.

05

Input

Target quantity

Estimated order volume helps us recommend tooling, sampling and production options.

06

Input

Finish, color and tolerance

Surface texture, color, assembly fit and tolerance notes make the review more accurate.

Engineering team reviewing molded parts and manufacturing workflow

OEM / ODM Workflow

Engineering review before tooling helps reduce late-stage changes

The engineering team reviews design risks such as structural defects, unreasonable draft angles and difficult-to-manufacture details before production.

Workflow focus

Each stage has a clear output before the next step starts, helping teams move from review to tooling, sampling and mass production with fewer back-and-forth changes.

01

Step 01

Project requirements and files review

Next

Drawings, samples, quantities and finish requirements are checked first.

02

Step 02

DFM and manufacturing risk assessment

Next

Engineers review draft angles, wall thickness, parting lines and molding risks.

03

Step 03

Quotation and production plan confirmation

Next

Cost, lead time, tooling plan and production route are aligned before kickoff.

04

Step 04

Mold design, machining and assembly

Next

Tooling design moves into CNC, EDM, fitting and mold assembly.

05

Step 05

Trial molding, inspection and sample approval

Next

T0/T1 samples are tested, measured and refined until approved.

06

Step 06

Mass production, packaging and delivery

Approved process parameters are used for stable production and shipment.

Start a Custom Project

Send drawings, samples, specifications or early concepts

DongXin can review manufacturability, mold requirements, production process and delivery planning for your plastic or silicone parts.

Request a Quote