About Us


Ningbo Rilson Sealing Material Co., Ltd was founded in 2007 and is situated in Ningbo, Zhejiang Province. The manufacturing facility spans across 20,000 square meters and is dedicated to ensuring the secure and dependable operation of fluid sealing systems, offering clients the appropriate sealing technology solutions. We operate numerous production lines for sealing products, specializing in the design and manufacture of sealing gaskets and other sealing materials for the petroleum, chemical, power, shipbuilding, and machinery manufacturing sectors. Our primary products consist of spiral wound gaskets, ring joint gaskets, kammprofile gaskets, corrugated metal gaskets, insulation kit gaskets, and Non-asbestos gaskets, among others.
Our clientele hails from various parts of the globe, and through our extensive experience in the industry, we have earned the trust and recognition of our customers. Presently, we have obtained certifications from several prominent companies such as GE, Shell, and ExxonMobil. Additionally, we have successfully achieved ISO9001:2015 quality management system certification, as well as the API 6A certificate, among others.

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Product Category

Spiral wound gaskets, Ring joint gaskets, Non metallic gaskets, Kammprofile gaskets, Heat exchanger gaskets, Insulation gaskets kit, Corrugated gaskets, Gasket raw material etc.

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