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With the increasing demand for high-frequency and high-speed transmission, PEI has reduced its dielectric constant to below 3.0 (at 1 GHz) through molecular structure optimization (such as the introduction of fluorinated groups), making it a core material for 5G millimeter-wave connectors.

This article systematically expounds on the development process of China's special engineering plastics industry from the germination stage to the maturity stage, analyzes the current industry situation at the critical stage of transition, covering influencing factors such as policies, technologies, and the market. It also introduces the upstream, midstream, and downstream situations of the industry chain, including the supply of raw materials, production, and the demand in application fields. At the same time, it explores the opportunities and challenges of green development that the industry is facing.

——Analysis of Keihin's IPM Housing Technological Innovation Based on LAPEROS® S135

Daicel Group announces the full integration of its subsidiary Polyplastics' engineering plastics business, effective April 2026. This restructuring aims to create a more competitive high-performance materials platform, combining Polyplastics' leading products and technologies in POM, LCP, and other fields. Through unified management and strategic synergy, Daicel will optimize global operations, enhance innovation capabilities, and provide more comprehensive and efficient solutions for automotive, electronics, healthcare, and other industries, strengthening its position as a global leader in engineering plastics.

Polyamide-imide (PAI), hailed as the pinnacle of plastic performance, offers a continuous service temperature up to 260°C, combined with exceptional strength, dimensional stability, and chemical resistance. It is indispensable in aerospace weight reduction, precision semiconductor manufacturing, critical EV components, and high-end medical devices, solving challenges where traditional metals and plastics fail. Fully unlocking its value requires masterful processing expertise. As an integrated specialist in high-performance engineering plastics, we are dedicated to transforming PAI's extraordinary potential into reliable part performance for our customers, jointly pushing the boundaries of industry.

The AI and robotics boom is driving surging demand for specialty engineering plastics. We supply high-performance LCP, PEEK, PPA and more – fully compliant with global standards, with stable inventory and technical support. Partner with us to power intelligent manufacturing.