
Custom Plastic Injection Molding & Mold Manufacturing
From Mold Design to Mass Production
DongXin provides complete OEM and ODM solutions from mold design and tooling to injection molding and custom plastic components.
Mold Design
Precision Tooling
Injection Molding
OEM/ODM

From Ideas to Products,
One-Stop Molding Solutions
Shenzhen DongXin Technology Co., Ltd. supports global OEM and ODM projects with plastic injection molds, plastic molding, liquid silicone molds and customized parts.
2007
Founded in Shenzhen
18+
Years mold experience
6
Core manufacturing capabilities
Global
OEM & ODM customers
Trusted Partners
Working with recognized global brands
DongXin supports custom tooling, plastic injection molding and OEM / ODM projects for customers across multiple industries.












Core Services
Custom manufacturing from mold engineering to finished parts

ID&MD Service
Our full-spectrum professional industrial and mechanical design services help clients turn ideal product concepts into reality with high efficiency and lower production costs.
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Custom Plastic injection molds
Manufacturing custom molds for clients is our core service. Overmolding molds, two-color injection molds and in-mold transfer molds are our mainstream product lines.
View serviceSolid & Liquid Molds
We also provide specialized LSR injection molding and solid silicone compression tooling services to meet customers' various demands for silicone rubber components.
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Plastic Molding
Our plastic injection molding service is specially tailored for clients without their own factories or injection molding machines. We offer one-stop solutions to turn product designs into finished parts.
View serviceProduct Showcase
Custom molded parts and product examples
Explore examples of plastic and silicone molded parts, then send your drawings or samples for a fast manufacturing review.
How We Work
A clear path from project files to molded parts
Send Files
Share drawings, samples, specifications or early product concepts.
Engineering Review
DongXin checks DFM risks, material needs, tooling feasibility and production process.
Tooling & Sampling
Mold design, machining, assembly, trial molding and sample approval are coordinated.
Production Delivery
Batch production, inspection, packaging and shipment are prepared after approval.

Why DongXin
Engineering-driven project review before production
Our engineering team checks structure risks, demolding angles and manufacturability details early, helping reduce modification cost and shorten time to market.
Learn About UsMold Design
DFM review, parting line planning and mold structure optimization before tooling.
CNC Machining
Precision processing for mold cores, cavities, inserts and custom components.
EDM Processing
Fine detail machining for complex mold features, corners and high-precision areas.
Injection Molding
Trial molding, sample validation and batch production support for plastic parts.
Silicone Molding
Liquid silicone and solid silicone molding support for custom soft components.
Quality Inspection
Incoming, first article, in-process and final inspection steps for stable delivery.

Quality Control
Inspection workflow for reliable molded parts
From incoming material inspection to first article inspection, in-process control, final inspection and packaging checks.
Material Inspection
Check incoming materials and project requirements before production starts.
First Article
Validate sample dimensions, appearance and assembly before batch production.
Final Reports
Prepare final inspection checks and packaging confirmation before shipment.
Industries Served
Molding solutions for global product teams
Reliable tooling and molded part production for focused product categories.
Latest Blog
Manufacturing insights and project knowledge
Read the latest updates about mold manufacturing, injection molding, silicone molding and OEM / ODM production.

Solid Silicone Compression Mold Manufacturer for Custom Silicone Parts
Learn how solid silicone compression molds are designed and manufactured for customized silicone parts. Explore mold structures, production processes, quality control, OEM/ODM capabilities, and supplier selection tips.
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Plastic Molding Manufacturer for Custom OEM Product Production
Learn how professional plastic molding manufacturers provide custom plastic parts through injection molding, engineering support, quality control, and OEM/ODM production solutions for global buyers.
Read more
Plastic Injection Mold Manufacturer for Custom OEM Manufacturing
Discover how professional plastic injection mold manufacturers design, machine, test, and deliver high-quality molds for global OEM production. Learn about mold structure, manufacturing process, quality control, and supplier selection.
Read moreReady to Start?
Send drawings, samples or product ideas for a quick project review
DongXin can review manufacturability, tooling requirements, material options and production planning for your custom plastic or silicone product.






