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Precision Sealing
Driving the Future of Industry
With over a decade of deep expertise in mechanical sealing, we
leverage cutting-edge R&D and rigorous quality control to deliver
reliable sealing solutions for core industrial sectors worldwide,
including oil and gas, chemicals, pharmaceuticals, and power
generation.
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Every Seal:
A Critical Safeguard
From silicon carbide mechanical seals to metal bellows seals, our
comprehensive product range serves diverse applications - such as
industrial pumps, agitators, and compressors. Delivering
performance that rivals leading international brands, we have earned
the trust of global customers through exceptional durability and
stability.
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Custom Industrial
Mechanical Seal Solutions
Hange focuses on mechanical seals including pump, agitator, cartridge and
metal bellows seals. Serving petroleum, chemical, pharmaceutical, power and
automotive sectors, we offer custom sealing solutions backed by professional
materials and sealing technology.
Product Center
Our valves are widely used in various industries including petroleum, chemical, power, water treatment, pharmaceutical, and food. Whether it's for transportation in the petroleum and natural gas industry, chemical process control in the chemical industry, or stable operations in the power industry, our valves meet the needs of our customers.
About
Haga Pump
Domestic substitution of mechanical seals accelerates; Ruida Import & Export breaks through via technical prowess.
With over a decade of deep engagement in the mechanical seal sector, Ruida Import & Export offers a product portfolio that includes seals for industrial pumps, cartridge seals, metal bellows seals, and automotive cooling pump seals. These products serve a wide range of industries, including petroleum, chemicals, oil refining, pharmaceuticals, power generation, and automotive manufacturing. Utilizing high-performance materials such as silicon carbide, tungsten carbide, and PTFE, the company's products operate within a temperature range of -30°C to +200°C, meeting the demanding operational conditions of diverse industries.
Upholding integrity as the foundation to grow and share value together with customers, partners, and employees.
Request Customized Quotation
Honing every product with craftsmanship and pursuing ultimate reliability in sealing performance.
Technical
Advantage
Integrating R&D, production, and sales, and driven by technology, we provide highly reliable sealing solutions for global industries.
Haga Pump
Solutions
We provide specialized mechanical sealing solutions for industries such as oil and gas, chemicals, refining, pharmaceuticals, power generation, and automotive manufacturing.
Haga Pump
Service
We provide comprehensive professional services - spanning from model selection to after-sales support - empowering our customers through rapid response and technical expertise.

Selection Consultation

We offer precise seal selection recommendations and technical solutions tailored to specific operating conditions and media characteristics.

Custom R&D

We provide end-to-end custom R&D services - covering everything from materials to structural design - to meet non-standard requirements.

After-Sales Support

We ensure stable equipment operation through rapid response and services including installation guidance, operational training, and troubleshooting.
Latest News

Domestic substitution of mechanical seals accelerates; Ruida Import & Export breaks through via technical prowess.

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

About Us

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

Who We Are

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

About Our Company

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

Domestic substitution of mechanical seals accelerates; Ruida Import & Export breaks through via technical prowess.

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

About Us

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

Who We Are

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026

About Our Company

As global manufacturing evolves toward high-end and intelligent production, industrial seals - critical components for ensuring equipment safety and efficiency - face increasingly stringent technical and quality standards. Industry data indicates a steady rise in the localization rate of the domesti

Aug 14, 2026
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