Seals & Gaskets Supplier

  • 20+ years of production & distribution experience in the seals & gasket industry

  • With an area of around 30000 square meters of 2 production bases in Cixi City

  • Provide the whole solution of seals&gaskets products

  • Supply first-class seals&packing products and service

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Packing produce

Featured Seals & Gaskets Solution

alloy metallic ring joint gasket for pipe sealing
Industrial Gasket
Expanded PTFE Joint Tape Gaskets
PTFE Products
gland graphite ptfe braided packing lubrication
Gland Packing
thermal glass fiber tape
Refractory & Insulation Materials

Why  Customers Choose Us

Quality Assurance

Longseal seals & gaskets products quality is controlled strictly, all products need to make raw materials inspection and after-production inspection.  and we constantly improve production technology in the process of production of Packing&Gaskets products.

Active Team

Longseal has our independent R & D Team, most of our engineers have at least 5 industry years experience. Many clients choose to work with us because our outstanding engineers can guarantee product functions and experienced designers offer customer-specific gaskets & packings in a very short time.

After-Sales Service

We have stable cooperation relationships with many distributor partners, whether selecting a current product from our catalog or seeking engineering assistance for your application, there're many experiences to refer to.

Large Capability

Longseal has two production bases to manufacture ePTFE products and Gland Packing respectively. With trained experienced workers, a consumption of 20 tons/m PTFE resin material, and a capacity of about 10tons/month variety gland packings.

Competitive Price

Professional industry expertise and a experienced working team guarantee the most competitive price for seals & packings solutions.

Fast Delivery

We always have a plan be to guarantee a good delivery time, so ample finished products are always aviable for fast delivery, urgent orders enjoy priority scheduling with guaranteed 24-hour turnaround and customized products compatiable with all shipping ways, like by air, by express.

Industrial Sealing Products FAQ

We have our own production bases specialized in producing ePTFE products&RTJ. Meanwhile, we source & supply a full 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.

factory building

What Our Clients Say About Us

Wholesalers & Project Contractor

  • Competitive price to help you get to the bottom price.
  • We will handle all details of the order on your behalf, providing timely delivery.
  • No MOQ limit, you can market test your business ideas before your final decision.
  • LongSeal helps you to monitor and control your risks in the order process.
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