Capabilities | Simblong Bespoke Plastic Injection Moulding

Simblong - Professional Plastic Injection Molding Manufacturer Since 2012

End-to-End Manufacturing Capabilities

Simblong integrates product engineering, mold manufacturing, injection molding, surface finishing, assembly, testing and packaging validation within one coordinated manufacturing system. By involving engineering early and managing critical processes through one project team, we help customers reduce development risks, simplify supplier coordination and move from concept to stable volume production with greater confidence. One team coordinates engineering, manufacturing, quality and delivery around the same project goal.

Product Engineering & DFMA

Early engineering involvement helps identify manufacturing risks before tooling begins. Our team reviews product structure, materials, tolerances, molding, finishing and assembly requirements to improve manufacturing readiness and reduce downstream changes.

Product requirements and feasibility review.

Structural and electronic engineering coordination.

Material and manufacturing-process recommendations.

Wall thickness, draft angle, shrinkage and warpage review.

Parting line, gate, ejection and appearance-area analysis.

Filling, weld line, air trap and deformation risk analysis.

Tolerance and assembly-structure review

Prototype evaluation and production-introduction support .

DFMA report

Key manufacturing risk list

Design improvement recommendations

Preliminary tooling and manufacturing plan

Mold Design & Manufacturing

Every mold is developed with stable volume production in mind—not only part geometry. Our in-house tooling team coordinates mold design, precision manufacturing, assembly, trials, validation and production support.

Mold design and Moldflow-assisted analysis.

Precision machining and toolmaking.

Mold assembly and fitting.

In-process dimensional inspection.

T0/T1 mold trials and sample validation.

Trial issue tracking and corrective-action closure.

Production handover.

Mold maintenance and repair records .

Design Review → Mold Design → Machining → Assembly & Fitting → Mold Trial → Validation → Production Support

Injection Molding

With more than 80 injection molding machines, cleanroom molding capability and experienced process teams, Simblong supports plastic components from trial runs and pilot production to stable volume manufacturing.

Processes

Single-shot molding

Two-shot molding

Overmolding

Insert molding

In-mold labeling

Thin-wall and high-speed molding

Materials

ABS

PMMA

PA66

POM

PBT

PLA and selected engineering plastics

Process control

Material preparation and process validation

Automatic insert loading

In-mold monitoring

CCD inspection

Process parameter and batch traceability

80+ injection molding machines

30T–470T clamping range

Class 100,000 cleanroom molding

90 million parts stated annual capacity

Surface Finishing & Decoration

Our integrated finishing processes help translate product appearance requirements into consistent production results, with control over color, gloss, texture, graphics, adhesion and durability.

Key Process

Spray painting

Silk screen printing

Pad printing

Hot stamping

Laser marking

Quarlity Comtrol

Color and gloss consistency

Coating thickness

Coating adhesion

Abrasion resistance

Printing position and alignment

Graphic and marking durability

Appearance inspection

Assembly & Testing

Simblong combines molded components, electronics and hardware into subassemblies and finished products through standardized work instructions, controlled assembly processes and product-specific functional testing.

Core content

Pilot builds and NPI support

Component and purchased-part integration

Plastic and electronic subassembly

Finished product assembly

Ultrasonic welding and heat staking

Assembly fixtures and poka-yoke controls

Standardized work instructions

Functional and performance testing

Aging and reliability testing

Batch and process traceability

Data module

6 assembly lines

Up to 5 million finished products stated annual capacity

Flexible pilot and volume-production support

Packaging Validation

Packaging validation helps reduce the risk of product damage during handling and transportation. We review the packaging method, perform drop and transportation simulation tests, analyze issues and verify improvements before shipment.

Packaging Review

Confirm packing method, quantity, cushioning and product protection.

Carton Drop Testing

Inspect packaging condition, appearance, structure and product function after testing.

Transportation Simulation

Evaluate packaging protection under simulated transportation and handling conditions.

Improvement & Revalidation

Record issues, improve the packaging solution and perform confirmation testing.

Shipment Traceability

Control labels, batch information, packing records and shipment documentation.

Ready to Bring Your Product to Scale?

Whether you need a single manufacturing process or a fully integrated program, our engineering and manufacturing teams are ready to support your next project.

From Product Engineering to Scalable Manufacturing.

Since 2012, Simblong injection molding manufacturer has supported established brands and emerging hardware innovators with integrated product engineering and flexible manufacturing—from precision injection-molded and surface-finished components to subassemblies and fully assembled products.

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Info Center

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Add: No. 4, Wanan Road, Zhenan Industry Park, Changan Town, Dongguan City, Guangdong Province China

Contact person: Spencer Chen

Tel: +86-134 2864 0022

Email: spencer@simblong.com