Jiangsu Yongjia Strengthens Foundation for Cover Tape Industry Development
Against the backdrop of steady growth in the global cover tape market, capacity optimization and technological advancement have become core competitive advantages for enterprises. Jiangsu Yongjia Electronic Materials Co., Ltd. has significantly increased its investment in production facilities. The company has now established four high-end coating lines and 46 sets of supporting processing equipment, forming a large-scale annual production capacity exceeding 500 million meters for both heat-sealable and self-adhesive cover tapes. This robust capacity provides localized support for the Yangtze River Delta electronic information industry cluster.
During its capacity expansion, Jiangsu Yongjia focused on the principles of precision manufacturing and green production. The automated coating lines it has introduced enable precise tension control and online defect detection, maintaining product dimensional accuracy within ±0.1mm. This meets the stringent requirements of high-end packaging for material consistency. The accompanying slitting and cutting equipment achieves integrated processing from wide-width substrates to finished products, increasing production efficiency by 30% compared to the industry average. Concurrently, process optimization has reduced energy consumption per unit of output, putting green manufacturing standards into practice.
Industry reports indicate the global cover tape market is projected to reach $269 million by 2025, with the Chinese market maintaining an average annual growth rate exceeding 14%. Leveraging the industrial advantages of the Yangtze River Delta region, Jiangsu Yongjia not only supplies products to major domestic packaging and testing manufacturers but is also progressively expanding into overseas markets. The company has stated it will continue to expand its high-end production capacity, with a focus on increasing R&D and production of specialized cover tapes for automotive-grade and AI chip packaging. Through technological innovation and capacity upgrades, it aims to seize strategic opportunities presented by the restructuring of the global semiconductor supply chain.
While solidifying its production capacity foundation, the company has simultaneously established a comprehensive quality control system covering raw material screening, in-process inspection, and finished product verification. Its testing center is equipped with precision instruments such as infrared spectrometers and dynamic mechanical analyzers, enabling systematic monitoring of 32 key parameters including substrate crystallinity and adhesive layer heat-seal strength. This development model, characterized by the "dual-drive of capacity expansion and quality control," has kept the company's product defect rate below 0.0005% for three consecutive years, earning it direct acceptance qualification from several leading packaging and testing enterprises.
In response to the evolution of semiconductor packaging technologies towards multi-chip integration and 3D stacking, Jiangsu Yongjia has initiated next-generation cover tape R&D projects. To meet the demands of ultra-thin wafer packaging, it has developed low-stress cover tapes. Through innovative polymer material formulations, the fluctuation range of peel strength has been reduced to 60% of the industry standard. For high-frequency testing environments, it has developed anti-static cover tapes whose surface resistance can be stably maintained within the 10^6-10^8 Ω range. These technological innovations have resulted in a portfolio of invention patents, positioning the company to actively participate in the restructuring of the global semiconductor supply chain.







