Wholesale Process Rubber Manufacturers & Factories

Global Leaders in High-Performance Electronic Packaging Materials & Functional Tapes

About Us

Jiangsu Yongjia Electronic Materials Co., Ltd.

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 Nantong, we cover 16,000 square meters, utilizing scientifically planned production workshops and R&D laboratories to ensure high-quality development in the process rubber and functional tape industry.

2007 Established
16,000㎡ Factory Area
18+ Years Experience

The Global Landscape of Process Rubber & Functional Tapes

The "Process Rubber" sector, specifically within the realm of electronic functional tapes, has seen an unprecedented surge in demand over the last decade. As electronic components move toward extreme miniaturization, the role of protective packaging—specifically heat seal cover tapes and self-adhesive tapes—has become critical. From the semiconductor hubs in Southeast Asia to the high-tech automotive corridors of Europe and North America, process rubber manufacturers are the unsung heroes of the global supply chain.

Today's industrial reality dictates that components must not only be protected from physical damage but also from electrostatic discharge (ESD) and extreme thermal fluctuations during automated assembly. This is where high-end factories like Jiangsu Yongjia excel, providing materials that bridge the gap between raw chemical stability and precision mechanical performance.

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Global Market Trends

The shift toward 5G, IoT, and AI-driven hardware requires tapes with better dielectric properties and higher heat resistance. Sustainable rubber processing is also becoming a key procurement requirement for Tier-1 global firms.

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Industrial Automation

Modern SMT (Surface Mount Technology) lines operate at speeds that demand perfect tape peel-back consistency. Wholesale manufacturers must ensure zero residue and uniform adhesive strength across thousands of meters.

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Procurement Demands

Global buyers now look for "One-Stop Shops." Having a diverse range from Acetate Cloth Tape to PET Electrical Protection Tape allows for consolidated logistics and higher quality control standards.

Our Core Product Series

Focusing on functional tapes for the electronics industry through rigorous R&D.

Standard High Temperature Series Heat Seal Cover Tape

Self-Adhesive Cover Tape

Upper Cover Tape / Lower Cover Tape

Enhanced High Temperature Series for Heat Seal Cover Tape

Acetate Cloth Tape with Release Liner

Acetate Cloth Tape (without Release Liner)

Flame-Retardant Acetate Cloth Tape with Release Liner

Flame-Retardant Acetate Cloth Tape (without Release Liner)

PET Tape Electrical Protection PET Tape

Glass Fiber Tape

Why Source From China's Wholesale Process Rubber Factories?

As a leading China-based manufacturer, Jiangsu Yongjia leverages a unique combination of scale, technology, and supply chain integration that is difficult to replicate elsewhere. The advantages of sourcing from our Nantong facility go beyond just competitive pricing:

  • Integrated Ecosystem: Our proximity to raw material chemical suppliers in the Yangtze River Delta ensures a stable supply of high-grade polymers and specialized rubber compounds even during market volatility.
  • Advanced R&D Capabilities: With over 18 years of experience, we don't just manufacture; we innovate. Our laboratories focus on the development of flame-retardant materials and high-temp series tapes that meet UL and ISO standards.
  • Customization at Scale: Whether it's a specific peel force required for high-speed carrier tape machines or a unique width for electrical insulation, our production lines are optimized for agility.
  • Quality Consistency: By utilizing automated coating and slitting technologies, we maintain a level of precision that reduces waste for our global clients, lowering their Total Cost of Ownership (TCO).

Industry Applications

Automotive

Stamping

Chip Packaging

Electrical Appliances

Our Certificates

Meeting international standards for quality and environmental safety.

Latest Industry News

Jiangsu Yongjia Strengthens Foundation for Cover Tape Industry Development

Technological advancement has become the core competitive edge in the global market...

2025-12-10

Self-Adhesive Cap Tape Meets Diverse Packaging Needs

Driven by miniaturization of electronic components, customized packaging materials are essential...

2025-12-10

High-End Heat-Sealing Tape Helps Upgrade Semiconductor Packaging

As industry accelerates domestic substitution, tech breakthroughs in packaging are key...

2025-12-10

The Future of Process Rubber & Electronic Materials

The next frontier for process rubber manufacturers lies in the integration of "Smart Materials." This includes tapes with conductive paths or those that can change properties based on environmental stimuli. Additionally, the electrification of everything—from vehicles to household tools—demands higher flame-retardant standards (UL94-V0) and superior moisture barriers.

Jiangsu Yongjia is already investing in the next generation of PET and Acetate Cloth Tapes that provide better tensile strength and thinner profiles, allowing for more compact battery packs and smaller electronic devices. Our commitment to being a "people-oriented" enterprise means we recruit the best talent to tackle these engineering challenges head-on.