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Precision Sealing & Absorption
Engineered for Excellence

ESINNA (CGP Wuhu Sealing Co., Ltd.) is a high-tech enterprise focused on the research, development, and manufacturing of automotive engine seals and vibration-damping air springs. Trusted by global OEMs and Tier-1 suppliers.

Explore Our Solutions

About ESINNA

CGP (WUHU) SEALING Co., Ltd.

A high-tech enterprise specializing in the research, development, and manufacturing of automotive engine seals and vibration-damping air springs. Located in Wuhu, Anhui Province, our facility spans 90,000 square meters with over 900 employees, including more than 60 technical experts.

We are proud recipients of multiple honors, including Anhui High-tech Enterprise, Green Factory, and Provincial Brand Model Enterprise. Our commitment to innovation and sustainability drives every product we deliver.

  • IATF16949 Certified
  • Provincial Technical Center
  • Specialized & Innovative Enterprise
  • Over 60 R&D Engineers
ESINNA Manufacturing Facility

UPDATE INDUSTRY (WUHU) Co., Ltd.

Located at No.1789 Jing'er Road, Xinwu Development Area, Wanzhi District, Anhui Province, this facility covers 63,500 square meters with a 30,500 square-meter standardized workshop, office, and comprehensive building totaling 39,500 square meters.

With over 600 staff members, including more than 80 technicians and 50 quality assurance personnel, we maintain the highest standards in production and compliance. Our certifications include IATF16949, affirming our commitment to automotive quality management systems.

Our Product Systems

ESINNA delivers cutting-edge sealing and absorption technologies designed for durability, performance, and precision in automotive applications.

Radial Shaft Seals

Radial Shaft Seals

High-performance seals for crankshafts and camshafts, engineered for extreme temperature and pressure resistance.

  • Nitrile, FKM, ACM materials
  • Low friction design
  • OEM-compliant specifications
Valve Stem Seals

Valve Stem Seals

Precision-engineered seals to control oil flow in engine valve systems, reducing consumption and emissions.

  • PTFE-reinforced construction
  • High thermal stability
  • Long service life
Oil Seals

Oil Seals

Robust sealing solutions for transmission and differential systems, preventing fluid leakage under dynamic loads.

  • Multi-lip sealing design
  • Spring-loaded for tension
  • Corrosion-resistant metal case
Air Springs

Vibration-Damping Air Springs

Advanced air spring systems for engine mounts and suspension, offering superior noise and vibration control.

  • Multi-layer rubber bellows
  • High fatigue resistance
  • Customizable stiffness
Timing System Seals

Timing System Seals

Seals for timing chain and belt covers, ensuring long-term reliability in high-speed engine environments.

  • Heat-resistant elastomers
  • Precision fit for OEM standards
  • Low compression set
Crankcase Seals

Crankcase Seals

Engineered to prevent oil leakage from crankcase ventilation systems under variable pressure conditions.

  • Dual sealing lips
  • Integrated filtration
  • Compatible with PCV systems
Transmission Seals

Transmission Input/Output Seals

High-torque sealing solutions for manual and automatic transmissions, ensuring fluid integrity.

  • FKM and HNBR options
  • High-speed shaft compatibility
  • Anti-extrusion design
Custom Sealing Solutions

Custom Sealing Solutions

Tailored sealing components developed in collaboration with OEMs for unique engine and transmission designs.

  • Rapid prototyping
  • Material testing lab
  • Full documentation support

Why Choose ESINNA?

IATF16949 Certified

Our quality management system meets the highest international standards for automotive production and service parts.

Advanced R&D Center

Over 80 engineers and technicians dedicated to innovation, material science, and performance testing.

Green Factory

Environmentally responsible manufacturing with energy-efficient processes and sustainable waste management.

Our Impact & Scale

90,000+
Square Meters of Manufacturing Space
900+
Employees Across Facilities
80+
R&D and Technical Engineers
100+
Global Automotive Clients

Frequently Asked Questions

What industries do ESINNA products serve?

Our sealing and absorption systems are primarily designed for the automotive industry, including passenger vehicles, commercial trucks, and off-road machinery. We also support industrial engine and transmission manufacturers.

Are ESINNA products compliant with international standards?

Yes. We are IATF16949 certified and manufacture all products to meet or exceed OEM specifications and global quality requirements.

Can ESINNA develop custom sealing solutions?

Absolutely. Our engineering team collaborates closely with clients to design, prototype, and validate custom sealing components for unique applications.

Where is ESINNA located?

Our main facility is located at #1000 First Nanci Road, Xinwu Development Area, Wanzhi District, Wuhu City, Anhui Province, China.

How can I request a catalog or technical data sheet?

Visit esinna.com to access our digital catalog or contact us directly through the official website.

Contact ESINNA

For inquiries, technical support, or partnership opportunities, please visit the official ESINNA website.

Contact Information

Address: #1000 First Nanci Road, Xinwu Development Area, Wanzhi District, Wuhu City, Anhui Province, China

Zip: 241100

China Hotline: 400-100-6789

Tel: +86-553-8128338, 8128339

Fax: +86-553-8128966

Email: [email protected]

Website: www.esinna.com

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