Hangzhou Ruimi Mechanical Seal Co., Ltd.
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Zhejiang Hongmi Technology Co., Ltd.
🇨🇳 China
200351-100 peopleManufacturer/Trading CompanyEstablished brand
High-tech enterprise
Patented technology
OEM manufacturer
Key customer
LEO GROUP ZHEJIANG PUMP INDUSTRY
Description
Zhejiang Hongmi Technology Co., Ltd., established in 2003, is a National High-Tech Enterprise and Zhejiang Provincial Sci-Tech Enterprise based in Huzhou, China. As both a manufacturer and trading company, it specializes in the production of dynamic mechanical seals for pumps and static PTFE throat bush seals, offering both ODM and OEM services. The company employs between 51 and 100 people and holds ISO 9001 certification. With over two decades of experience, Zhejiang Hongmi Technology has developed an extensive product range covering more than 1,000 models and specifications, including various types of Mechanical Seals, PTFE Products, Pump Mechanical Seals, Cartridge Mechanical Seals, Wave Spring Mechanical Seals, Rubber Bellow Mechanical Seals, PTFE Corrugated Mechanical Seals, Single Spring Mechanical Seals, Multi-Spring Mechanical Seals, Single Face Mechanical Seals, Double Face Mechanical Seals, and Metal Bellow Mechanical Seals. These products are designed for diverse pump applications such as vertical, pipeline, end-suction, deep well, submersible, and chemical pumps. The company also provides customized structural design and material selection, serving renowned enterprises like Southern Pump Industry, Zhejiang Nanyuan Pump Industry, and Leo Group Zhejiang Pump Industry.
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Hangzhou Qinghua Industrial Co., Ltd.
🇨🇳 China
2006101-200 peopleManufacturer/Trading CompanyOEM manufacturer
ODM manufacturer
Product customization
Patented technology
Key customer
BAOGANG GROUP
Key market
South America
Description
Hangzhou Qinghua Industrial Co., Ltd. is a specialized manufacturer and high-tech enterprise established in 2006, headquartered in Hangzhou, China. Operating from a 12,000-square-meter facility that includes a 10,000-square-meter modernized workshop and a dedicated R&D center, the company focuses on the research, design, and production of advanced fluid seal and centrifugal compressor technologies. With total assets exceeding RMB 60 million and an annual production capacity of 50,000 units, the company serves as a critical supplier to heavy industries including metallurgy, petroleum, chemical processing, electric power, and shipbuilding.
The company's extensive product portfolio features over 100 models and 1,000 specifications, including spring mechanical seals, cartridge seals, metal bellows, and specialized seals for slurry pumps, reactors, and high-speed compressors. Their solutions are designed for high-performance applications, with capabilities reaching pressures of 15MPa for spring seals. Hangzhou Qinghua Industrial also provides OEM and ODM services, producing precision parts that are interchangeable with major international brands such as John Crane and Burgmann.
Quality and innovation are central to the company's operations, supported by ISO 9001:2008 certification and a National Industrial Product Manufacture License. The organization holds 18 patents for utility models and inventions, developed by a technical team of over 50 professionals, including senior engineers and technicians. They maintain strategic research partnerships with institutions like Dalian University of Technology and are a qualified supplier for major energy groups such as Sinopec, Guodian, and Huadian. Their global reach extends across Asia, Europe, Africa, and the Americas.
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