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No Leakage, No Worry – Ultimate Sealing Solutions

Professional gasket manufacturer & rubber strip supplier with 9+ years of experience. Delivering high-quality, ISO 9001-certified sealing products to industries worldwide.

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About Ultimate Sealing

Suzhou Ultimate Sealing Technology Co., Ltd. is a professional enterprise integrating R&D, production, and sales. With two modern production workshops and advanced testing equipment, we are committed to delivering worry-free sealing solutions.

As a trusted gasket manufacturer and rubber strip supplier in China, our products are exported to the United States, Brazil, Italy, Sweden, Germany, and many other countries.

Quality is life. We follow the international ISO 9001-2000 quality system to ensure every product meets the highest standards.

Learn More on Official Site
Factory Overview

Our Products

We offer a wide range of high-quality rubber sealing products, including O-rings, gaskets, ED-rings, oil seals, and custom rubber parts.

FKM O-ring

FKM O-ring

High-temperature and chemical-resistant fluorocarbon rubber O-rings for industrial applications.

Silicone Gasket

Silicone Gasket

Flexible, food-grade silicone gaskets ideal for medical, food processing, and high-temp environments.

Rubber Strip

Rubber Strip

Custom-length NBR, FKM, and silicone rubber strips for sealing doors, windows, and industrial joints.

ED-ring

ED-ring

Elastomeric D-ring seals designed for dynamic and static sealing in hydraulic and pneumatic systems.

Oil Seal

Oil Seal

Durable rubber oil seals for automotive, machinery, and industrial equipment to prevent fluid leakage.

Custom Rubber Parts

Custom Rubber Parts

Tailored rubber components for specialized applications, from prototypes to mass production.

Food Grade Silicone O-ring

Food Grade Silicone O-ring

Compliant with FDA standards, ideal for food processing, pharmaceuticals, and beverage industries.

Gasoline-Resistant FKM Strip

Gasoline-Resistant FKM Strip

FKM rubber round strip with excellent resistance to fuels, oils, and aggressive chemicals.

View All Products on Official Site

Why Choose Us

Quality Assured Products

Years of R&D and production experience in O-rings, special parts, and oil seals. ISO 9001-2000 certified.

Efficient Delivery

Orders completed in 10 days (with tooling) or 15 days (new tooling). Fast turnaround without compromising quality.

Free Tooling

Free mold opening for O-ring orders above $110. We have our own tooling workshop for fast customization.

Rapid Sampling

Prototype samples delivered in 7–10 days. Accelerate your product development with fast turnaround.

Design & R&D Capability

10 dedicated R&D personnel focused on innovation, material testing, and custom sealing solutions.

Cost-Effective Solutions

Leveraging rich purchasing resources and efficient management to deliver high value at competitive prices.

9+
Years of Industry Experience
47+
Patented Technologies
30+
Countries Served

Frequently Asked Questions

What materials do you offer for O-rings and gaskets?

We offer FKM (Viton), NBR (Nitrile), silicone, EPDM, and other specialty rubber compounds based on application requirements.

Can you produce custom rubber parts?

Yes, we specialize in custom rubber components. Provide your drawings or samples, and we’ll create molds and produce parts to your specs.

What is your lead time for custom orders?

Typically 10 days if tooling exists, or 15 days if new tooling is required. Samples ready in 7–10 days.

Do you offer free tooling?

Yes, we provide free mold opening for O-ring orders exceeding $110. We have an in-house tooling workshop for fast service.

Are your products ISO certified?

Yes, we follow the ISO 9001-2000 quality management system to ensure consistent product quality and process control.

Get in Touch

For inquiries, quotes, or technical support, visit our official website to contact the team directly.

Visit Official Website to Contact

Contact Person: Mr. Huang

Email: huanggu@188.com

Phone: +86-13338652764

Office: Suzhou Industrial Park Zhongxin Ecological Building, China

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