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繁體中文When precision matters and specifications are unique, Custom Injection Molding becomes an indispensable manufacturing solution. At the heart of this specialized process is , a trailblazer in tailored plastic production. The company empowers clients with full control over material selection, dimensional tolerances, color matching, and surface finishes — delivering parts that meet exacting demands. Thanks to over four decades of experience, their design-to-delivery system encompasses mold development, production planning, and strict quality validation. We transform complex requirements into manufacturable realities across fields as diverse as medical devices, industrial automation, and consumer goods.Beyond core engineering, every project benefits from the company’s experience in rapid prototyping and adaptation to evolving design trends. Their development team collaborates closely with clients to ensure the finished output reflects market relevance and functional integrity.
Custom 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.
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.
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.
Serving as a pivotal force in the competitive landscape of plastic engineering, the firm’s agile operations allow for short lead times without compromising consistency. Whether launching a new product or refining an existing design, their consultative approach supports every step. A vertically integrated infrastructure ensures total project visibility and transparency. Through collaboration, innovation, and environmental stewardship, this solution provider continues to lead as one of the best suppliers of custom-molded plastic components worldwide.This full-spectrum production model empowers clients to adapt quickly to changing market conditions. Flexible planning, robust project tracking, and multi-format production data all contribute to reliable results and cost savings across production cycles.