Hengli Sealing focuses on the safe and reliable operation of fluid sealing systems, and provides customers with the best sealing technology solutions.

The company was founded in July 1994 and is located in Cidong Industrial Zone, Cixi City, by the beautiful and rich Hangzhou Bay. Our company specializes in the development and production of sealing gaskets and other sealing materials for petroleum, chemical, electric power, shipbuilding and machinery manufacturing industries. The main products are: spiral wound gaskets, toothed gaskets, corrugated composite gaskets, metal ring gaskets And non-asbestos gaskets, etc. The registered trademark of the product is HENGSENG. The enterprise covers an area of ​​42,000 m2 and a building area of ​​39,000 m2. It has formed an annual production capacity of 4.8 million spiral wound gaskets, 100,000 metal ring gaskets, and 1.2 million tooth-shaped and corrugated composite gaskets. In 2019, the company's total sales reached 101.59 million yuan. In 2020, certified by the Machinery and Gasket Static Sealing Professional Branch of China Liquid and Air Tightness Industry Association, our company ranks among the forefront of its counterparts in the country in terms of enterprise scale and sales revenue. In September 2011, the company was recognized as a national high-tech enterprise; in 2012, the company's R&D center (Ningbo Hengli Metal Gasket Engineering Technology Center) was named Ningbo Enterprise Engineering Technology Center; in 2019, Hengli Metal Gasket The provincial-level high-tech enterprise research and development center was approved by Zhejiang Science and Technology Department. With the support of the provincial R&D center platform, the company has led and participated in the formulation of more than a dozen national and industry standards, and has 41 invention and utility model patents. In January 2013, the company's registered trademark HENGSENG was recognized as a famous trademark in Zhejiang Province by Zhejiang Administration for Industry and Commerce. The company has been recognized by Cixi Municipal Government as one of the top 100 enterprises in Cixi City and the top 100 potential enterprises in Cixi City.

The company takes the win-win concept as the philosophy, the truth-seeking, pragmatic, and people-oriented management tenet. Promote the upgrading of product structure and realize diversified brand management. The company has a strong professional and technical team, with 45 personnel with college degree or above, 24 R&D personnel, and 79% of R&D personnel with bachelor's degree and intermediate titles. The company currently has 199 employees and has an annual project research and development capability of more than 5 projects. Since its establishment, the company has attached great importance to the introduction and training of outstanding talents. So far, it has basically formed a management team that is pioneering and innovative, good at business, and familiar with industry development. There are not only experienced senior engineers, but also young technicians with counterparts trained by the company or recruited from colleges and universities. The old, middle and young are combined, complementing each other's strengths, making the best use of their talents and giving full play to their roles.

In the past three years of research and development, the company has spent 12.35 million yuan in research and development, purchased domestically advanced testing equipment and other testing equipment, and established a special research and development team. In recent years, we have independently developed and obtained 31 patents, including 7 inventions, 24 utility models, and 4 invention patents. In the development of new products, the company has developed more than 20 new products in recent years, of which 6 have been rated as Ningbo city-level new products. The company also cooperates with East China University of Science and Technology, Hefei General Mechanical and Electrical Products Inspection Institute Co., Ltd., and Hangzhou Institute of Metrology to conduct technical cooperation on the research of nuclear safety-level gasket technology and the improvement of metal gasket production equipment technology.

Ever since its establishment, Hengli Sealing has been adhering to the corporate philosophy of “rising the moon and keeping the industry stable”, taking independent innovation as the lifeblood of enterprise survival and development, focusing on the high-end market in the sealing field, standing in the high-end, developing high-end, and adopting high-end products. Science and technology, professional technical force, concentrate manpower and material resources to create static sealing products in the world's high-end fields.