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The excellence of in the field of Plastic Injection Mold stems from over four decades of uncompromising dedication to quality and innovation. As a pioneering figure among Taiwan’s leading manufacturer and exporter, the company specializes in seamless vertical integration — encompassing mold engineering, prototype validation, and final production. One of their core strengths lies in their ability to deliver fully tailored solutions with unmatched accuracy and consistency. Whether the goal is small-batch production or high-volume runs, they transform designs into tangible, refined parts using state-of-the-art equipment and optimized workflows. Their services include not only injection technologies but also customized Plastic Mold development for components requiring dimensional precision and consistent material flow.Their operations emphasize adaptability to design complexity and evolving customer expectations. Leveraging proprietary project coordination systems, they align technical precision with real-time manufacturing agility to reduce downtime and maintain supply chain fluidity across every region they serve.

Plastic Mold

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Plastic Mould Steel Material -
Plastic Mould Steel Material
Injection Molding Design Selecting the right mold steel type is essential for achieving optimal results in plastic injection molding. It influences not only product durability and precision, but also overall manufacturing cost and efficiency. Choosing the right steel at the mold development stage helps ensure a successful and scalable production process. At Sung I Industrial, we offer complete technical consulting and custom manufacturing solutions—from design and steel selection to tooling and delivery—to support fully integrated vertical production. Whether you're working on large-scale OEM/ODM projects or high-performance transparent components, we can help you select the most suitable steel material for your needs. More detailed note: P20 – Ideal for High-Speed Production of Small to Medium Parts P20 is best for producing small to middle size products, especially where high-speed production is required. It offers an excellent balance of hardness and machinability. P20+Ni – Optimal for Large Mold Applications with Smooth Finish When working with large mold applications such as bumpers, dashboards, and TV cabinets, P20+Ni is an excellent choice. It delivers a smooth and shiny surface, meeting the aesthetic demands of larger consumer products. NAK80 – Premium Choice for Transparent Plastic Components NAK80 is specially designed for transparent plastic components including camera lenses, tail light covers, and LED lenses. It offers high polish ability, resulting in high brightness and strength—perfect for parts requiring both clarity and durability.  
Across various sectors such as automotive components, electronic hardware, medical devices, and consumer applications, has built a reputation for durability and performance through advanced Plastic Mold techniques. Emphasizing lean processes and precision, their ISO-certified operations utilize in-depth mold flow analysis, 3D modeling, and tight tolerance controls to minimize lead times while maximizing consistency. By adopting environmentally responsible materials and incorporating PCR content, the company ensures sustainable output without sacrificing performance — reinforcing its position as one of the Best solution providers from Taiwan.In addition to quality assurance, the firm enhances production value by integrating modular scalability into all manufacturing stages. Their customer service teams work closely with partners worldwide, offering fast technical feedback and dependable after-sales assistance.