The global sealed packaging and functional tape industry is currently undergoing a transformative phase, driven by the rapid expansion of the semiconductor, automotive, and consumer electronics sectors. As a leading Wholesale Sealed Packaging Supplier & Factory, we observe that the demand for high-precision carrier tapes and cover tapes has moved beyond mere protective logistics to becoming a critical component of the Surface Mount Technology (SMT) process.
In the current industrial landscape, the miniaturization of electronic components (such as 01005 and 008004 chip sizes) requires packaging materials with extreme dimensional stability and consistent peel force. Global manufacturers are prioritizing ESD (Electrostatic Discharge) protection and high-temperature resistance to ensure zero-defect assembly lines.
Sustainability and smart manufacturing are the two pillars defining the future. There is a surging demand for recyclable PET tapes and halogen-free acetate cloth tapes. Furthermore, "smart packaging" which integrates tracking capabilities with high-performance sealing is becoming a standard in high-value semiconductor logistics.
Global enterprises are shifting from local sourcing to direct-from-factory procurement in China to balance cost-efficiency with uncompromising quality. Reliable suppliers are now expected to provide comprehensive technical data, RoHS/REACH certifications, and a stable supply chain that can withstand global logistical fluctuations.
Jiangsu Yongjia Electronic Materials Co., Ltd. was registered and established in June 2007. After eighteen years of deep cultivation in the field of electronic materials, the company has developed into a comprehensive service provider of tape products with considerable influence in the industry. Located in the vibrant industrial environment of Nantong, the company covers an area of 16,000 square meters, with a building area of 9,000 square meters.
Our facility includes scientifically planned production workshops, state-of-the-art R&D laboratories, and modern office spaces designed to foster high-quality development and innovation in functional tapes for the electronics industry.
As a specialized factory, our R&D focus is on the core track of functional tapes. We provide end-to-end solutions from material synthesis to precision coating. Our products are essential for various stages of electronic manufacturing, including:
Our Standard and Enhanced High-Temperature series are designed for precision bonding with carrier tapes. They offer stable peel strength even after long-term storage, ensuring smooth component feeding in high-speed SMT machines.
Eliminating the need for heat during the sealing process, our self-adhesive solutions provide a fast, reliable, and "cold" seal, ideal for heat-sensitive components and varied carrier tape materials like PS, PC, or PET.
Used extensively for transformer insulation and wire harnessing, our acetate cloth tapes (available in flame-retardant versions) provide excellent flexibility and high-voltage resistance, while glass fiber tapes offer superior mechanical strength.
Delivering high-performance sealing solutions across diverse industrial sectors.
Choosing Jiangsu Yongjia as your Wholesale Sealed Packaging Supplier means leveraging the industrial power of China with the precision of global standards. Our factory advantages include:
Being located in Nantong, we are at the heart of the Yangtze River Delta industrial hub. This allows us to source raw materials efficiently and provide competitive lead times for global orders.
We don't just sell tape; we solve problems. Our 18 years of experience allow us to customize adhesive formulations and carrier tape compatibility to meet unique client specifications.
We operate under rigorous quality management systems. Our products are tested for aging, tensile strength, and ESD properties in our in-house labs before shipping to any part of the world.
Committed to international standards and quality excellence.





Exploring the latest in capacity optimization and technological advancement.
How miniaturization is driving the demand for custom packaging solutions.
Enabling the domestic and international upgrade of semiconductor packaging.