Product & services

About Sumi

Company Profile

Suzhou Sumi Sealing Technology Co., Ltd. is located in the Economic Development Zone of Zhangjiagang City, Suzhou, Jiangsu Province. It is a professional mechanical seal production enterprise integrating research, development, manufacturing, sales, and services. The core technical staff of the company are among the first in China to engage in the research, development, and manufacturing of mechanical seal products. With many years of industry experience and extensive cooperation with experts, universities, and research in...

Company Culture

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Certificate Honor

The company has an earlier group of professional engineers engaged in the research and development and manufacturing of mechanical seal products, and has many years of experience, and has maintained extensive cooperation with experts, universities and research institutes in the field of sealing, and has accumulated rich experience and advanced technology

Production Equipment

The company has an earlier group of professional engineers engaged in the research and development and manufacturing of mechanical seal products, and has many years of experience, and has maintained extensive cooperation with experts, universities and research institutes in the field of sealing, and has accumulated rich experience and advanced technology

Our Advantages

  • Brand Examples

    Focusing on the R&D and production of mechanical seals, we can tailor products suitable for customers according to customer needs, which are widely acclaimed!

  • Advanced equipment

    For professional production equipment and technical team, we can provide overall solutions, ensure quality, ensure delivery time, so that each customer can get one-stop service, so that you can rest assured!

  • Improve After-sales

    7*24 hours quick response, strong sales and after-sales team to provide professional mechanical seal application and operation, maintenance and repair to the industry!

Industry Application

  • Chemical Industry

    Chemical Industry

    Materials used in the chemical industry have the ability to withstand corrosion from various media, many of which are explosive chemicals, toxic substances, or hazardous mixtures. Therefore, there is a special need for safe and reliable sealing systems. Suzhou Sumi Sealing Technology Co., Ltd. technology is widely used in various pumps and tank equipment in all fields of chemical processes and enjoys a good reputation among customers for safe and stable operation. ..

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  • Power Industry

    Power Industry

    Flue Gas Desulfurization (FGD) has become an indispensable equipment in modern power plants, and the mechanical seals of boiler feedwater pumps have developed with the upgrading of power plants. Suzhou Sumi Sealing Technology Co., Ltd. has mature manufacturing experience in flue gas desulfurization and boiler feedwater pump technology. ..

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  • Wastewater Treatment Industry

    Wastewater Treatment Industry

    Municipal sewage and industrial wastewater treatment are essential means of modern environmental protection. With the rapid development of the chemical industry in China, the treatment of chemical waste pollution is particularly important. Suzhou Sumi Sealing Technology Co., Ltd. has accumulated many years of experience in various applications of sewage treatment. Our products are matched with and serve many domestic large-scale host plants and water companies in China. ..

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  • Maritime Industry

    Maritime Industry

    Suzhou Sumi Sealing Technology Co., Ltd. has been successfully applied in shipbuilding and ship repair yards for many years. These seals are manufactured according to standard sizes, achieving the desired application effects for customers. Our marine stern tube and intermediate bearing seal devices bring reliability and safety, saving both operational and maintenance time. ..

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  • Refining Industry

    Refining Industry

    Refinery processing is a complex, multi-stage process. Due to the risk of inadequate lubrication and operation caused by volatile material components and low boiling points, as well as the various physical properties of the media (ranging from liquefied gas to asphalt), there are unique challenges in all aspects. In light of all these conditions, Suzhou Sumi Sealing Technology Co., Ltd. provides reliable product solutions and control methods. ..

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  • Pulp and Paper Industry

    Pulp and Paper Industry

    Paper mills produce various types of paper and packaging materials for daily and industrial use. Suzhou Sumi Sealing Technology Co., Ltd. offers mechanical seals and various other products suitable for various factories in the paper industry. ..

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  • Food and Pharmaceuticals

    Food and Pharmaceuticals

    The design of mechanical seals should first consider how to ensure the purity and hygiene quality of food and pharmaceuticals. Suzhou Sumi Sealing Technology Co., Ltd. ensures the quality and safety of pharmaceuticals through material selection, work without residual media, and refined processes. ..

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