Full Service Seal Manufacturing
HanSealing is a professional manufacturer specializing in high-performance industrial sealing solutions, with a focus on products like spring energized seals—engineered to excel in extreme operating conditions. Our seals are designed to withstand high temperatures, extreme pressures, and corrosive environments, making them ideal for critical applications across industries such as aerospace, oil & gas, chemical processing, hydraulic systems, and semiconductor manufacturing.
NEW Seal In Stock
We are now offering thousands of seals, including spring energized seals, Rotary Lip Seals, PTFE-encapsulated seals, and more in stock and ready for immediate shipping. Thousands more offer rapid quotes and turnaround.
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Get Custom Seal Made to Spec
Stock or standard doesn't fit your needs? We manufacture custom Seals, and Spring Energized.
What Our Customers Are Saying
Industries
Whether you’re in automotive, aerospace, or food & beverage, the reliability of seals defines system performance. So do we. That’s why HanSeal Tech delivers custom spring energized seals (polymer jackets + metal springs) engineered for extreme conditions—backed by industry-specific compliance, rapid customization, and expert engineering support.

Automotive
Delivering seals for high-temperature engines, electric vehicle drivetrains, and brake systems. Our spring energized seals resist wear from coolant, lubricants, and vibration—ideal for transmissions, thermal management systems, and powertrain components.
Food & Beverage
Our food-grade spring energized seals (PTFE, silicone-filled) survive CIP/SIP cycles, aggressive cleaners, and wide temperature ranges. Perfect for filling machines, dairy pumps, and beverage processing lines.
Industrial
ISO 9001-certified, our versatile seals tackle diverse challenges—from chemical processing pumps to hydraulic cylinders and compressed air systems. Custom sizes & materials (Viton®, Kalrez®) available for unique applications.
Aerospace
Our seals handle extreme temperature swings (-196°C to 315°C) and pressure cycles in hydraulic systems, fuel valves, and environmental control units. PTFE/PEEK-based designs ensure low friction and zero leakage.
Our Manufacturing Locations
Hansealing is a China-based manufacturer of universal sealing, operating from our production hub in Chenzhou City, Hunan Province. We maintain strategic partnerships with specialized technology centers in Jiangsu and Guangdong provinces, creating a synergistic ecosystem where each partner contributes unique technical expertise and mutual support.
Start Your Project
Get your project moving today. Contact us for a quote on a custom part, pricing, lead time, or other questions. Our team will get back to you within 1-2 hours on business days, and will be sure to route you to the best person to support your needs.