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Mechanical Seals Factory

AS SOLID AS ROCK AS HARD AS METAL

Trusted Sealing Solutions Since 2007

About ROCK METAL

Founded in 2007, Ningbo Rock Metal Product Co., Ltd. is a leading manufacturer and provider of mechanical seals and sealing solutions. With over 17 years of expertise, we specialize in engineering, manufacturing, and delivering high-performance sealing components for a wide range of industrial applications.

Our core competencies lie in serving the petrochemical, pulp & paper, textile & dyeing, food processing, power generation, mining, and water/wastewater industries. We are committed to innovation, quality, and customer satisfaction.

17+ Years of Experience
Global Clientele
OEM & Custom Solutions
ISO-Compliant Manufacturing
Rock Metal Factory

Our Core Values

O

Acceptance

O

Thanksgiving

O

Duty

O

Wisdom

O

Judgment

Our Services

Comprehensive sealing solutions to extend equipment life and reduce downtime

Seals Identification

We help identify old or obsolete seals and recommend logical upgrades for improved performance and longevity.

Seals Repair & Refurbishing

Our 10-step comprehensive process restores mechanical seals to like-new condition, saving cost and reducing downtime.

Engineering & Manufacturing

Provide your sample, drawing, or model — we’ll manufacture exact or improved replacements tailored to your needs.

OEM & Custom Solutions

We support original equipment manufacturers with custom sealing components and long-term supply partnerships.

Our Products

High-quality mechanical seals and sealing components for diverse industrial applications

Cartridge Seals

Cartridge Seals

Pre-assembled, easy-to-install seals ideal for chemical, pulp & paper, food & beverage, and water treatment applications.

  • • No field measurement required
  • • Reduced installation errors
  • • Available in multiple materials
  • • ISO and API compliant
Component Seals

Component Seals

Modular seals for replacement and retrofitting in a wide range of pump types and industrial systems.

  • • Cost-effective alternative
  • • Compatible with major OEMs
  • • Customizable configurations
  • • High-pressure variants available
Sealing Materials

Sealing Materials

Premium materials including silicon carbide, tungsten carbide, carbon graphite, ceramic, and stainless steel.

  • • Corrosion-resistant options
  • • High-temperature tolerance
  • • FDA-compliant for food industry
  • • Custom material blends

Sleeve, Bearing & Bushing

Precision-engineered sleeves and bushings for rotating and sliding applications in harsh environments.

  • • Made from bronze, brass, steel
  • • Self-lubricating options
  • • High wear resistance
  • • Custom dimensions available

OEM Replacement Seals

Exact or improved replacements for seals from major pump manufacturers like Grundfos, KSB, and Sulzer.

  • • Drop-in replacements
  • • Extended service life
  • • Competitive pricing
  • • Global shipping

High-Pressure Seals

Engineered for extreme pressure environments in oil & gas, chemical processing, and power generation.

  • • Rated up to 40 bar
  • • Double seal configurations
  • • API 682 compliant
  • • Thermal barrier options

Food-Grade Seals

FDA-compliant seals for food, beverage, and pharmaceutical applications requiring sanitary standards.

  • • 3-A Sanitary certified
  • • Smooth surface finish
  • • Easy to clean and sterilize
  • • No product contamination

Custom Sealing Solutions

Tailored designs based on your drawings, samples, or performance requirements for unique applications.

  • • Rapid prototyping
  • • Material testing support
  • • Full documentation
  • • NDA-protected development

Industries We Serve

🛢️

Petrochemical

🏭

Chemical Processing

📰

Pulp & Paper

Power Generation

👕

Textile & Dyeing

🍔

Food & Beverage

💧

Water & Wastewater

⛏️

Mining

17+
Years of Experience
1000+
Global Clients
50+
Countries Served
10K+
Seals Manufactured

Get in Touch

Reach out to Rock Metal for sealing solutions, product inquiries, or technical support.

Contact Information

Phone: 0086-574-88210948

Fax: 0086-574-88210848

Email: info@rockmetalproduct.com

Address: RM 1705-1706, Kirin North Building, No.1501 Tiantong North Rd, Yinzhou, Ningbo, 315100, China

Visit Our Website

For detailed product catalogs, technical drawings, and company updates.

Visit Official Website

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