One-Stop-Shop Sealing Solution

  • Complete range products supplying, One stop shop sealing solution

  • Large-scale production and high efficiency producing ensure  the most professional prices

  • The strict control of materials selection and each production step to guarantee the reliable quality

  • Swift Response, Ample standard products inventory, and professional customer service

  • Excellent production technology and stocks ensure to provide the fastest delivery.

Molding Rubber Parts

Rubber Parts


We have plenty of experience to produce many types of rubber parts by OEM or ODM, such as seal flingers, wipers, rubber hood latches, rubber bumpers, seal drums, latch hood rubber, Gland half packing, and so on.

They are mainly used as replacement applications for all industries. Variety Types tool&mould are available, all kinds of rubber parts could be custom-produce accordingly to the drawings or samples.

Graphite Sheet

Flexible Graphite Sheet


Graphite sheet is selected from the high purity flake graphite. They can be reinforced by metal mesh, foil, or tanged metal. They are made through chemical treatment, expanded under high temperature, and then rolling. It offers excellent sealing capabilities under extreme conditions with a longer life and less maintenance.

expanded PTFE filler for spiral wound gasket

PTFE Tape Filler for Spiral wound Gasket


PTFE Tape Filler for swg is made from 100% PTFE with a special process molding. Expanded PTFE tape for SWG can conform to any surface, including rough, pitted, scratched, and damaged surfaces. It has excellent characteristics, such as sealing insulative, acid-resistance, and corrosion-resistance.

Rubber Sheets

Rubber Sheet


Rubber sheets are manufactured for your different requirements such as oil-resisting, acid, and alkali-resisting, cold and heat-resisting, insulation, anti-seismic, etc. They can cut into various gaskets, used in chemicals, elections, fire-resisting, and food.

They also can be used as a sealer, buffer rubber ring, rubber mat, sealing strip, and for the decoration of flights of step and ground of hotel, port boats, and ships, vehicles, etc. The materials are available in various kinds such as NBR, SBR, EPDM, Silicone, NR, Viton, etc.

Pure PTFE Yarn

Pure PTFE Yarn


Pure PTFE Yarn is used to braid Pure PTFE Packing, available with Pure PTFE Yarn and PTFE Yarn with oil two types.

Other yarns for braid packing are available, such as graphite yarn, GFO yarn, Ramie Yarn, Acrylic yarn, Kevlar Yarn, Carbon fiber yarn, Glass /Ceramic fiber and asbestos yarn etc Raw materials.

Non asbestos sheet

Non Asbestos Sheet


The non-asbestos compressed sheet is made from aramid/kevlar fiber, natural rubber, heat-resisting packing material, and dye, compressed and calendered under high temperature and pressure into a sheet form. It eliminates the asbestos-rubber sheet essentially and thoroughly.

Substitution of corresponding models of asbestos rubber sheet, Used for the equipment in water, high-temperature steam, compressed air, valve, heat exchanger etc. and used as sealing material in the joints of the pipeline. It can be used in the food and medical industry

One-Stop-Shop Sealing FAQ

We have our own production bases specialized in producing Expanded PTFE Products. Meanwhile, we sourcing & supplying all range of  Sealing Products.

LongSeal PTFE Products have FDA, ROHS and other certifications approved by TUV, SGS, and BV, the RTJ Gaskets have API 6A certificate. All other products meet or exceed quality standards and quality control procedures conform to the strict requirements of the industry standards.

Based on our many years of sealing industry experience and professionalism, our prices are more favorable in the same quality grade. Welcome you to compare prices with other suppliers.

For regular products, it will be 6-8 working days; For customization products, leading time depends on our production line

Yes, samples are available free of charge. but we don’t bear the express cost.

Yes, we accept the third-party inspection as your requirement.

You have 14 calendar days to return the product with the quality problem from the date you received it.

We are always looking for motivated distributor partners! If you are interested, please contact us by mail at info@nbseals.com or complete a request form on this site with your contact information.

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