With over 45 years of experience in plastic injection solutions, SUNG I INDUSTRY CORP. has become a globally recognized name in the field of Plastic Injection Mold innovation. Leveraging advanced techniques and robust Plastic Mould Steel, the company excels at crafting complex molds — particularly for external threaded components where tolerance and repeatability are critical. Their specialized
Plastic Injection External Thread Mold services offer unmatched dimensional stability, ensuring every product delivers precise fit and function, even under challenging applications. By streamlining tooling and molding within a single vertically integrated system, they reduce lead times, avoid production delays, and maximize cost efficiency. These strengths make SUNG I a trusted partner for clients needing accurate and scalable solutions tailored for dynamic market needs. In addition to technical performance, their solutions are designed to optimize assembly line compatibility, reducing labor costs and manual fitting adjustments. The molds are engineered with maintenance in mind, enabling easy cleaning, component replacement, and rapid production reconfiguration when market demands shift. This agility allows clients to pivot between project scales or switch designs with minimal disruption. Moreover, a proactive project management approach ensures that all developmental milestones are met ahead of schedule, aligning with lean manufacturing strategies. Such foresight and flexibility empower customers to innovate faster while maintaining robust operational control.
Plastic Injection External Thread Mold
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Product Description:
Automated Mold Design / External Thread Plastic Injection Mold
External thread plastic injection molds are specifically designed for products with outer threads, such as bottle caps, container lids, and threaded sleeves. These molds require precise engineering to ensure that thread profiles remain intact during demolding and that product dimensions remain consistent.
With expertise in mold development and advanced plastic injection molding, various thread types and custom specifications can be supported. These molds are widely used in everyday consumer goods, medical components, and other industrial applications.
At Sung I Industrial, we offer full custom manufacturing and OEM/ODM services, supported by a vertically integrated production process. This allows us to improve manufacturing efficiency, maintain high quality, and provide cost-effective solutions for threaded plastic parts—making us your ideal partner in thread mold production.
From concept refinement to mold fabrication and final part production, SUNG I INDUSTRY CORP. implements stringent quality systems based on ISO standards, enabling superior consistency and reliability in every mold. The use of certified steels, high-precision equipment, and comprehensive simulation analysis before production guarantees minimal defects and long tool life. As a leading manufacturer and exporter in Taiwan, the company supports industries such as automotive, electronics, and medical devices with durable molds optimized for high-volume output.
Their reputation as a global supplier of reliable mold products continues to grow as they deliver sustainable, custom-built solutions that align with client goals — setting the benchmark for the best in the injection molding industry. In sectors where regulatory compliance is critical, their molded parts are engineered to meet even the most rigorous testing protocols. This makes their solutions highly suitable for safety-sensitive industries and export-regulated components. Furthermore, their global shipping logistics ensure punctual delivery, complete with proper packaging standards that reduce transit damage risk. Clients also benefit from detailed documentation support, including CAD archives, maintenance guidelines, and production data sheets. By offering not just a product but a full ecosystem of support, they contribute to long-term manufacturing stability and reduced total cost of ownership.
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Products List
Product Description:
Automated Mold Design / Auto Unscrewing Mold
An auto unscrewing mold is a specialized design where the threaded core rotates automatically to release the plastic part during demolding. This system is ideal for products with external threads and significantly improves production efficiency and stability, making it well-suited for automated plastic injection molding lines.
This technology is widely used in industries that require high-precision and high-speed production. Whether applied in mold development, OEM/ODM manufacturing, or flexible, custom manufacturing projects, auto unscrewing molds play a vital role in optimizing productivity. When integrated into a vertically integrated production process, it allows for streamlined operations, reduced labor, and consistent product quality—making it an essential tool in modern injection molding strategies.
Product Description:
Automated Mold Design / Hydraulic Core Pulling Injection Mold
Hydraulic core pulling injection molds are ideal for plastic parts with undercuts, grooves, or side holes that cannot be ejected by standard means. Using a hydraulic cylinder, the mold activates a core-pulling mechanism to ensure smooth and accurate demolding. This technology is widely used in plastic injection molding for automotive, electronics, and industrial products.
At Sung I Industrial, we offer advanced mold development and custom manufacturing solutions. Whether for OEM/ODM projects or high-precision parts, our molds support complex processes such as insert molding and overmolding, and are compatible with various engineering plastics. Through full vertical integration, we manage everything from design to delivery—ensuring faster lead times, stable quality, and cost control. Hydraulic core pulling molds are essential for manufacturers seeking efficiency, durability, and flexibility in modern injection molding production.