P: +86-15192028938
E:  info@gsdrubber.com
No.237 Wannianquan Road, Qingdao Shandong China​​​​​​​
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 One-stop Solution for hydraulic hose system | Grandflex 
 Best in class products and services at competitive prices 
 Excellent Impulse I No Leakage I Weather & Abrasive Resistant
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 One-stop Solution for industrial hose system | Grandflex
 Best in class products and services at competitive prices
 Italian VP Equipment I European Quality Level I Longer Service Life
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About  Grandflex
 One-stop Solution for PVC hose system | Grandflex
 Best in class products and services at competitive prices
 Non-Toxic I Non-Smell I UV-Resistant I Food Grade
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Hot Selling Product Series

Qingdao Grantseed Rubber Co., Ltd is a leading manufacturer & exporter of Hydraulic Hoses, Industrial Hoses and PVC Hoses in China.
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Hydraulic Hose
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Industrial Hose
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PVC Hose
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We have 126 sets of different equipments for production, testing and employ more than 158 staffs, including 20 technicians. Our annual output is 9 million meters for hydraulic hoses and 8 million meters for industrial hoses and 800 millions meters for PVC Hoses.​​​​​​​

Hydraulic Hose

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About Grandflex

Qingdao Grantseed Rubber Co., Ltd is a leading manufacturer & exporter of Hydraulic Hoses, Industrial Hoses and PVC Hoses in China. The company covers an area of 25000 square meters workshop with a total investment up to RMB 80 million. 
 
We have 126 sets of different equipments for production, testing and employ more than 158 staffs, including 20 technicians. Our annual output is 9 million meters for hydraulic hoses and 8 million meters for industrial hoses and 800 millions meters for PVC Hoses.

DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!
 

Why Choose Us

We have 126 sets of different equipments for production, testing and employ more than 158 staffs, including 20 technicians. Our annual output is 9 million meters for hydraulic hoses and 8 million meters for industrial hoses and 800 millions meters for PVC Hoses.

  • Technical Team

    8 years experienced workers, 15 years experienced engineers.

  • Sales Team

    18 sales and service employees, 14 years experience in foreign trade.​​​​​​​

  • Quality Control

    100% inspection before shipment.​​​​​​​

  • Market

    More than 65 countries, 198 clients all over world
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What Our Customers Say?

Latest Blogs​​​​​​​

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09/ 08/ 2026

DIN EN 853 Vs EN 856 Hydraulic Hose Standards: Key Differences

Modern heavy machinery relies on the silent, powerful force of high-pressure fluids. To transmit this immense power safely, industrial systems depend on one critical component: the hydraulic hose.

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08/ 25/ 2026

Grandflex (Grandseed Rubber) to Exhibit Hydraulic Hose & Industrial Hose Solutions at PTC ASIA 2026

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06/ 29/ 2026

What Is Spiral Reinforced Hydraulic Hose Used For?

Ensure leak-free operations with the Grandflex DIN EN853 2SN spiral hose. Built for high-pressure mobile hydraulics and construction machinery.

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Contact Us for Superior Quality and Service！

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+86-15192028938

Email

info@gsdrubber.com
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