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Engineering Plastic Injection Molding

In industries where strength, stability, and resistance to extreme environments are essential, traditional plastics can no longer meet the increasing performance demands. This is where Engineering Plastic Injection Molding proves indispensable. Used to manufacture parts that withstand heat, stress, and corrosion — such as medical housings, electrical insulators, or structural automotive components — it brings durability and functionality to a new level. By leveraging this advanced technique within a vertically integrated workflow, SUNG I INDUSTRY CORP. creates precision solutions tailored for specific industrial applications.With over four decades of experience, the company fuses mold development with cutting-edge material expertise to provide clients with effective, long-lasting components. From design verification to final product testing, every stage of their Plastic Molding process is fine-tuned for optimal efficiency and accuracy. Their comprehensive custom injection molding service includes CAD-based analysis, tooling, simulation, and scalable production, giving customers end-to-end support for even the most technically complex designs.

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Engineering Plastic Injection Molding

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Product Specifications: PA6+GF / PA66+GF / PA66+GF / PC+ABS / POM / PP / PBT / PMMA / PCR (V0 Fire rating)

Product Description:
Plastic Injection Molding Products
Engineering Plastics & Integrated Injection Molding Solutions
Engineering plastics are widely used across automotive, medical, lighting, and industrial sectors due to their strength, heat resistance, and excellent electrical insulation. At Sung I Industrial, we work with high-performance materials such as PA+GF/CF, POM, PP, TPE/TPU, clear PC, flame-retardant compounds, and recycled plastics. Our capabilities include insert molding and overmolding, ideal for hybrid components combining plastics with metals or textiles.

We support both small-batch prototyping and high-volume production, offering single-color and dual-color injection molding, mold texturing, logo engraving, and finishing options to enhance product design and functionality. To help our clients meet international standards, we also provide certification support with documentation including RoHS, REACH, CE, FDA, and others upon request—tailored to product attributes and end-use environments.

With decades of experience in plastic injection molding, mold development, and OEM/ODM projects, Sung I offers a fully vertically integrated workflow from product design to final delivery—ensuring consistent quality, cost-efficiency, and on-time production tailored to your needs.

Today’s manufacturers seek partners that go beyond traditional suppliers — they need engineering collaborators who understand both performance and sustainability. Based in Taiwan, SUNG I INDUSTRY CORP. answers this call by offering intelligent production strategies that combine high-performance plastics with eco-conscious methods. Their use of post-consumer materials, energy-efficient machinery, and strict quality protocols ensure that each item they export meets international standards such as RoHS and UL.

By serving as a reliable exporter and contract manufacturer, the company enables businesses around the world to scale their production while improving reliability and reducing cost. Engineering Plastic Injection Molding is not just a process but a strategic advantage — making it easier to innovate across sectors from aerospace to consumer electronics. With Taiwan gaining recognition for being a hub of advanced plastic solutions, SUNG I distinguishes itself as one of the best in delivering engineered plastic parts. Whether you need one-off prototyping or global OEM fulfillment, their vertically integrated platform ensures unmatched quality and delivery performance.

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Two Color Injection Molding

Product Specifications: ABS / PP+TPR / TPE Product Description: Bicycle & Tool Handle / Grip (Dual Color Plastic Injection Molding) Dual color injection molding, also known as two-color overmolding, is a high-efficiency plastic injection molding process that combines two different materials or colors into a single part using one mold and one machine. This process is ideal for products requiring both functional performance and visual appeal—such as bicycle grips, power tool handles, and lifestyle accessories. Dual color molding is ideal for mass production as it helps to reduce cycle time by 25–40%, while maintaining high consistency in product quality. Compared to traditional assembly methods, this overmolding approach reduces the need for manual labor and secondary processes, minimizing assembly errors and enhancing production efficiency. At Sung I Plastic Inc., we specialize in custom manufacturing and offer one-stop solutions from insert molding to fully integrated OEM / ODM production. Our experience in developing molds for complex geometries and multi-material combinations allows us to deliver durable, functional, and visually appealing components. Whether you're launching a new consumer product or upgrading an existing line, two-color injection molding offers a cost-effective and scalable solution for industries that value both performance and design.

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TPE Plastic Injection Molding

Product Specifications: TPR / TPV / TPU / TPEE Product Description: TPE Plastic Injection Molding Products TPE Thermoplastic Elastomer Injection Molding – Flexible and Efficient Rubber Alternative Thermoplastic Elastomers (TPE) combine the elasticity of rubber with the efficient process ability of plastics. Unlike traditional rubber molding, TPE injection molding features shorter cycle times and allows for runner material recycling, making it an ideal solution for cost-effective, high-volume production. This process enhances manufacturing efficiency without compromising performance or quality. TPE plastic injection molding is widely used in applications that require soft-touch and flexibility, such as tool grips, protective covers, medical components, automotive parts, and anti-slip mats. Its excellent impact resistance and skin-friendly texture make it a popular choice for ergonomic and user-interactive designs. At Sung I, we specialize in custom injection molding services and product development for various industries. Our team works closely with clients from concept to production, offering solutions that include material selection, mold design, and surface treatment. We also support sustainable manufacturing with eco-friendly materials, and can provide documentation for RoHS, REACH, FDA, and CE compliance upon request. With decades of experience in plastic injection molding, Sung I delivers integrated solutions tailored to your product's unique specifications. Whether you're producing small batches or scaling up to mass production, TPE injection molding offers durability, flexibility, and aesthetic versatility for a wide range of industries.