China Seals & Gaskets | Custom Industrial Seals & Packing

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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Featured Seals & Gaskets Solution

Industrial Gasket

PTFE Products

Gland Packing

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 Sealing Gaskets respectively. With a 30000 sq.m workshop, a consumption of 20 tons/m PTFE resin material, and a capacity of about 800pcs/day variety gaskets.

Competitive Price

Large scale production and a high-efficiency working team guarantee the most competitive price for seals & gaskets solutions.

Fast Delivery

On-time delivery of quality products rate>99.7%. For regular products, we can finish the order in 6-8 working days; For customization products, the leading time depends on our production line. Free samples are available for us.

Industrial Sealing Products FAQ

Are you a trader or manufacturer?

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

What Certificate do you have?

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.

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.