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Advanced Sealing Solutions for Industrial Excellence

Sungran specializes in high-performance PTFE packings, flexible graphite gaskets, engineering plastics, and precision machinery. Trusted by industries in oil & gas, chemical, power, and metallurgy.

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About Sungran

Sungran is committed to the development and innovation of industrial sealing products and equipment. With deep expertise in PTFE, flexible graphite, and engineering plastics, we combine theoretical research with practical application to deliver reliable, energy-efficient, and environmentally friendly sealing solutions.

Our team of skilled engineers and technicians has extensive experience in designing and manufacturing compression packings, gasket sheets, and specialized machinery. We serve clients across petroleum, chemical, metallurgy, electric power, and machinery industries worldwide.

15+

Years of Experience

50+

Global Clients

Sungran Tank Lid Packing

Our Product Range

High-performance sealing materials and engineered components designed for extreme industrial environments.

PTFE with Graphite Packing

PTFE with Graphite Packing

High-temperature resistant braided packing ideal for pumps and valves in chemical and petrochemical applications.

Graphite Yarn for Compression Packing

Graphite Yarn

Flexible, high-strength yarn used in braided packings for dynamic sealing under extreme conditions.

Aramid/Kevlar Packing

Aramid/Kevlar Packing

High tensile strength synthetic fiber packing for high-pressure and high-speed applications.

Powder & Pelletized PTFE

Powder & Pelletized PTFE

High-purity PTFE raw materials for molding, extrusion, and custom fabrication processes.

Impregnated Graphite-PTFE Yarn

Impregnated Graphite-PTFE Yarn

Enhanced lubricity and chemical resistance for long-lasting dynamic seals in aggressive media.

Tank Lid Packing

Tank Lid Packing

Custom sealing solutions for tank closures, ensuring leak-proof performance in storage systems.

Flexible Graphite Sheet

Flexible Graphite Gasket Sheet

Non-asbestos, high-temperature gasket material with excellent conformability and recovery.

Carbon Fiber Packing

Carbon Fiber Packing

High thermal conductivity and wear resistance for demanding rotary and reciprocating equipment.

PTFE Lantern Ring

PTFE Lantern Ring

Internal flushing ring for packed pumps, improving cooling and preventing particle ingress.

Engineering Plastic Machining

Engineering Plastic Machining

Precision CNC machining of PTFE, PEEK, Nylon, and HMWPE components for custom applications.

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Innovation in Technology & Equipment

Sungran designs and supplies advanced machinery for the production of gasket sheets and gland packings, enabling partners to expand their local manufacturing capabilities.

Advanced Manufacturing Equipment

  • Complete production lines for asbestos-free gasket sheet manufacturing
  • Braiding machines for PTFE, graphite, and synthetic fiber packings
  • CNC machining centers for engineering plastics (PTFE, PEEK, Nylon)
  • Custom PTFE raw material formulation and processing systems

Our equipment solutions are engineered for reliability, efficiency, and scalability—helping businesses enhance their product offerings and market reach.

Sungran Manufacturing Equipment

150+

Products Developed

30+

Countries Served

99.8%

Customer Satisfaction

24/7

Technical Support

Frequently Asked Questions

What is the difference between PTFE fiber and PTFE yarn?

PTFE fiber refers to the raw filament form, while PTFE yarn is twisted or braided from multiple fibers for use in packing and sealing applications. Yarn offers better structural integrity and handling.

Can Sungran provide custom gasket sheet formulations?

Yes, we offer custom formulation design for PTFE and graphite-based gasket materials to meet specific temperature, pressure, and chemical resistance requirements.

Do you supply machinery for local production?

Absolutely. Sungran provides complete equipment lines for manufacturing compression packings and gasket sheets, helping clients establish local production capabilities.

What industries do you serve?

We serve petroleum, chemical processing, metallurgy, electric power generation, water treatment, and general industrial machinery sectors globally.

Get in Touch

Reach out to Sungran for product inquiries, technical support, or partnership opportunities.

Phone

+86 13061406946

+86 18866423863

Email

[email protected]

Location

130 Jiushui East Road, Licang District, Qingdao, China

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