When it comes to industrial agitator seals, choosing the right supplier is crucial for ensuring equipment reliability and efficiency. Agitator seals play a vital role in industries like chemical, pharmaceutical, and food processing by preventing leakage and maintaining optimal fluid mixing. In China, numerous companies specialize in manufacturing high-quality agitator seals, each offering unique products and services to cater to various industrial needs.
In this article, we explore the top 8 agitator seals suppliers in China for 2025, based on their history, reputation, product offerings, and global presence. Whether you’re looking for advanced sealing solutions for your agitation equipment or exploring the latest innovations in sealing technology, these suppliers are the key players in the industry.
List of Top 8 China Agitator Seals Supplier in 2025
1. Suzhou Sealok Fluid Equipment Co., Ltd.
Company Overview:
Suzhou Sealok Fluid Equipment Co., Ltd., established in 1998 and transformed into its current form in 2009, is a leading manufacturer specializing in industrial agitator seals and fluid mixing solutions. Located in Zhangjiagang City, Jiangsu, China, the company has over 25 years of production experience in the development, manufacturing, and sales of high-performance sealing systems. Sealok is renowned for its expertise in designing and producing industrial agitator seals, mechanical seals, and fluid mixers tailored to demanding applications across industries such as chemical processing, pharmaceuticals, oil and gas, and pulp and paper. The company’s commitment to innovation and quality has positioned it as a trusted name in the global fluid sealing industry.
Sealok’s development has been marked by continuous investment in research and advanced technology, enabling the creation of energy-efficient and durable industrial agitator seals. Its modern factory, equipped with state-of-the-art CNC processing equipment and rigorous quality control systems compliant with ISO9001:2000 standards, ensures precision manufacturing and consistent product reliability. The company’s engineering team, with deep expertise in sealing systems, provides customized solutions and on-site technical support, enhancing operational efficiency for clients worldwide. Sealok’s focus on sustainable development and customer-centric services, including fast delivery and comprehensive after-sales support, has fostered long-term partnerships across diverse industrial sectors.
Currently, Sealok’s factory operates with advanced production capabilities and a strong emphasis on quality assurance, producing a wide range of sealing products using high-quality materials such as silicon carbide, tungsten carbide, carbon, ceramic, graphite, and PTFE. The facility supports global shipping and maintains stringent testing protocols to meet the highest performance standards for industrial agitator seals. Sealok’s ability to offer tailored configurations ensures compatibility with various operating conditions, including high-pressure, high-temperature, and corrosive environments.
Main Products:
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Agitator Seals
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Mechanical Seals
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Shaft Sleeves
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Pump Seals
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Sealing Systems for Chemical Processing
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Customized Sealing Solutions
2. YALAN Seals
Company Overview:
Anhui YALAN Seal Component Co., Ltd., established in 2001 with its factory founded in 1993, is a leading high-technology enterprise specializing in the design, manufacturing, and supply of industrial agitator seals and other mechanical sealing solutions. With over 30 years of production experience, YALAN Seals has grown into one of China's top 10 mechanical seal manufacturers, recognized for its innovative approach to industrial agitator seals, pump seals, and reaction kettle seals. The company operates a comprehensive chain of product design, development, manufacturing, sales, and after-sales support, adhering to ISO9001:2015, ISO14001, and OHSAS18001 certifications. YALAN's seals, including its high-performance industrial agitator seals, are widely used in industries such as chemical processing, pharmaceuticals, paper-making, and wastewater treatment, offering cost-effective alternatives to brands like John Crane and Alfa Laval.
The company's production facilities, located in the Industrial Park of Dingyuan, Chuzhou, Anhui, span over 15,000 square meters, with a new 50,000-square-meter facility under construction since mid-2024. Equipped with 10 production lines, 99 CNC devices, and staffed by over 104 full-time employees, the factory achieves an annual output value of USD 13 million. YALAN's research and development center in Hefei, with 10 senior engineers, has secured 28 patents and developed over 3,600 seal models, including advanced industrial agitator seals. The company is a council member of the China Hydraulics Pneumatics & Seals Association and has set national standards for shaft sealing systems.
Main Products:
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Agitator Seals
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Rotary Seals
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Mechanical Seals
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Cartridge Seals
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Hydraulic Seals
3. China Sealcon Supplies
Company Overview:
China Sealcon Supplies, officially known as Hangzhou Sealcon Fluid Machinery Co., Ltd., is a leading Chinese manufacturer and supplier specializing in high-quality industrial agitator seals and mechanical sealing solutions. Established in 2011, the company boasts over a decade of production experience, focusing on designing and manufacturing seals for agitators, pumps, and other rotating equipment used in industries such as petrochemical, pharmaceutical, pulp and paper, and food processing. Sealcon has earned a strong reputation for its innovative approach to industrial agitator seals, leveraging advanced sealing technologies to ensure reliable performance in demanding applications.
The company has experienced steady growth, expanding its global presence with products sold worldwide, supported by certifications like ISO 9001 and ISO 14001, reflecting its commitment to quality and environmental sustainability. Sealcon’s development is driven by a focus on research and development (R&D), with continuous improvements in industrial agitator seals to meet stringent industry standards, including ISO, DIN, and API. In 2017, the company established a new office in Hangzhou’s Xihu District, enhancing its operational capabilities and customer service reach.
Sealcon’s modern factory, located in Hangzhou, China, spans a significant production area equipped with advanced manufacturing equipment and automated production lines. The facility adheres to strict quality control measures, ensuring that all industrial agitator seals and spare parts meet high standards of durability and precision. The factory supports OEM services, allowing customized solutions tailored to specific agitator applications, with a delivery time often less than one week for stocked items.
Main Products:
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Agitator Seals
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O-Rings
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Gaskets
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Custom Seals
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Mechanical Seals for Pumps
4. Sinoseal Holding Co., Ltd.
Company Overview:
Sinoseal Holding Co., Ltd., headquartered in Chengdu, Sichuan, China, is a leading Chinese listed company specializing in the design, research, development, manufacture, and distribution of mechanical seals, with a strong focus on industrial agitator seals. Established in 1978 as the Sealing Technology Research Department of Sichuan Provincial Machinery Research & Design Institute, Sinoseal has over 45 years of production experience in the fluid sealing industry. The company has evolved into a high-tech enterprise, recognized for its comprehensive sealing solutions and advanced manufacturing capabilities. Sinoseal’s development trajectory includes significant milestones, such as its listing on the Shenzhen Stock Exchange’s Growth Enterprise Market in 2015 and strategic acquisitions of UTEC (Suzhou) and Dalian Sun Seals Ltd. in 2016 and 2018, respectively.
These efforts have bolstered its domestic market leadership and expanded its international presence in industries like petrochemical, coal chemical, and nuclear power. The company’s state-of-the-art factory in Chengdu leverages cutting-edge technology and equipment to produce high-quality industrial agitator seals, ensuring reliability under extreme conditions such as high pressure, corrosive media, and intense temperatures. Sinoseal’s commitment to innovation is evidenced by its numerous national patents and compliance with API682 standards, making it a trusted partner for original equipment manufacturers and end-users. Its current development status reflects a focus on sustainable growth, corporate social responsibility, and global market expansion, supported by a professional technical service team and robust aftersales support.
Main Products:
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Agitator Seals
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Mechanical Seals
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Compression Seals
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Carbon Seals
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Pump Seals
5. EKATO-CHINA
Company Overview:
EKATO (Shanghai) Agitation Equipment Co., Ltd., a wholly owned subsidiary of the EKATO Group, is a leading manufacturer specializing in industrial agitators and mechanical seals, with a strong focus on industrial agitator seals for diverse process industries. Established in 2003 in Shanghai, EKATO-CHINA leverages over 90 years of global expertise from its German parent company, founded in 1933, to deliver cutting-edge mixing and sealing solutions. The company has solidified its position as a market leader in mixing technology, particularly in the design and production of robust industrial agitator seals tailored for demanding applications in chemical, pharmaceutical, cosmetic, and food industries. With ISO 9001:2015 certification, EKATO-CHINA operates a 2,100-square-meter advanced manufacturing facility in Songjiang District, Shanghai, equipped for local production, assembly, and repair of agitator components and mechanical seals. The company’s growth reflects its commitment to innovation, quality, and customer-specific solutions, supported by a global service network and decades of research and development in sealing technology.
EKATO-CHINA excels in producing high-performance industrial agitator seals, such as single-acting, double-acting, and triple-acting mechanical seals, designed to handle extreme conditions like high pressure, temperature, and corrosive media. These seals ensure operational safety, hermetic sealing, and minimal maintenance, enhancing plant reliability. The facility also supports impeller welding, agitator assembly, and seal system testing, ensuring compliance with stringent industry standards like API 682. EKATO-CHINA’s ongoing development aligns with global trends toward resource efficiency and cost-effective production, maintaining its competitive edge through state-of-the-art technology and engineering.
Main Products:
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Agitator Seals
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Mixing Systems
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Mechanical Seals
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Pressure Seals
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Customized Seals for Industrial Applications
6. Sino-Seals Co., Ltd.
Company Overview:
Sino-Seals Co., Ltd., established in 1999, is a leading Chinese manufacturer specializing in mechanical seals and sealing products, with a strong focus on industrial agitator seals. Headquartered in Beijing, the company operates three modern factories in China, employing over 200 skilled professionals. With more than 25 years of production experience, Sino-Seals has built a reputation for delivering high-quality sealing solutions tailored to demanding industrial applications, particularly in petrochemical, chemical, and pharmaceutical sectors. The company’s commitment to research and development, coupled with advanced manufacturing technologies, ensures its industrial agitator seals meet rigorous standards like ISO, DIN, and API. Sino-Seals has experienced rapid growth through continuous innovation and significant investments in design and testing equipment, positioning it as a competitive player in the global sealing market. Its factories are equipped with state-of-the-art production lines and adhere to ISO 9001 quality management systems, ensuring precision and reliability in every product. The company’s aftermarket support and customer-centric approach further enhance its ability to provide comprehensive sealing solutions for agitators and mixers.
Main Products:
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Agitator Seals
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Mechanical Seals
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Valve Seals
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O-Rings
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Gaskets
7. Cowseal
Company Overview:
Cowseal is a leading manufacturer specializing in industrial agitator seals, renowned for delivering high-performance sealing solutions for industrial mixing and agitation equipment across various sectors, including chemical processing, pharmaceuticals, and food and beverage industries. Established over two decades ago, Cowseal has amassed extensive production experience in designing and engineering mechanical seals tailored to prevent leakage, enhance safety, and optimize efficiency in agitator applications. The company has built a strong reputation for its innovative approach to addressing the challenges of sealing rotating agitator shafts under demanding conditions such as high pressure, temperature fluctuations, and exposure to corrosive or abrasive media.
The company operates state-of-the-art manufacturing facilities equipped with advanced machining and testing equipment to ensure precision and reliability in every industrial agitator seal produced. Cowseal’s factories adhere to rigorous quality control protocols, enabling the production of seals that withstand extreme operational conditions while minimizing maintenance and downtime. The integration of modern technologies, such as automated assembly lines and real-time monitoring systems, enhances production efficiency and product consistency. Additionally, Cowseal maintains a robust repair and re-engineering division to support clients with seal maintenance and upgrades, further extending the lifespan of agitation equipment.
Cowseal’s best products are recognized for their durability, ease of installation, and adaptability to various agitator configurations, including top-entry, side-entry, and bottom-entry designs. These industrial agitator seals are engineered to deliver superior performance in demanding mixing applications, ensuring minimal leakage and enhanced operational reliability.
Main Products:
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Agitator Seals
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Industrial Seals
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Mechanical Seals
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O-Rings
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Sealing Rings
8. Ningbo Victor Seals Co., Ltd.
Company Overview:
Ningbo Victor Seals Co., Ltd., established in December 1984, is a leading manufacturer specializing in mechanical seals, with a strong focus on industrial agitator seals. Located in Ningbo, Zhejiang Province, China, near Hangzhou and Shanghai, the company operates a modern facility covering 10,340 square meters, with a construction area of 8,805 square meters. Employing 107 skilled professionals, Ningbo Victor has over 40 years of production experience, delivering high-quality sealing solutions for demanding industrial applications, including chemical, pharmaceutical, and mining industries. Its globally registered brand, "Victor," is recognized in over 30 countries, reflecting its robust international presence and commitment to excellence. The company has evolved into a high-tech enterprise, investing in advanced manufacturing processes and materials like silicon carbide, tungsten carbide, ceramic, and carbon to produce durable and efficient industrial agitator seals.
Ningbo Victor’s factory is equipped with state-of-the-art technology, enabling the production of seals with internal diameters from 6mm to 250mm and pressure ratings up to 16Mpa. Its development status is marked by continuous innovation, with custom-designed seals tailored to client specifications, ensuring reliability under harsh conditions such as abrasive, corrosive, and high-temperature environments. The company’s best products, particularly its industrial agitator seals, are renowned for their wear resistance, thermal stability, and chemical compatibility, making them ideal for mixers, reactors, and agitators in challenging industrial settings.
Main Products:
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Agitator Seals
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Mechanical Seals
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O-Rings
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Gaskets
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Valve Seals
Conclusion
The companies listed above represent the leading suppliers of agitator seals in China, offering a range of products designed to meet the specific needs of industries like chemicals, pharmaceuticals, and food processing. Whether you are looking for high-performance seals for challenging applications or reliable sealing solutions for everyday use, these suppliers have the expertise and experience to deliver.
If you're looking for a trusted supplier of high-quality agitator seals, Suzhou Sealok Fluid Equipment Co., Ltd. stands out with its strong reputation, innovative solutions, and commitment to customer satisfaction. For more information, reach out to them today and discover how their products can enhance your industrial operations.
