P: +86-15192028938
E:  info@gsdrubber.com
No.237 Wannianquan Road, Qingdao Shandong China​​​​​​​
Products Center
 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
Products Center
 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
Learn More
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
Learn More

Hot Selling Product Series

Qingdao Grantseed Rubber Co., Ltd is a leading manufacturer & exporter of Hydraulic Hoses, Industrial Hoses and PVC Hoses in China.
LEARN MORE
hydraulic house
Hydraulic Hose
industrial hose
Industrial Hose
pvc hose
PVC Hose
hose protection
Hose Protection

Products Center

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

19

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
Learn More

What Our Customers Say?

Latest Blogs​​​​​​​

Learn More
10/ 08/ 2026

1SN Vs 2SN Hydraulic Hose: Construction, Pressure And Applications

This guide compares 1SN and 2SN hydraulic hoses by reinforcement structure, working pressure, flexibility, bend radius, and applications. Learn how to check hose specifications, confirm fitting compatibility, and select the right hose for your hydraulic system.

More >>
no photo
10/ 26/ 2026

PVC Hose Pressure Rating Guide: Working Pressure vs Burst Pressure

Learn how to read PVC hose pressure ratings, including working pressure, burst pressure, and proof pressure. Explore real product examples, key factors affecting pressure performance, and practical tips for selecting the right PVC hose.

More >>
PVC_high_pressure_hose1-removebg-preview.png
10/ 15/ 2026

PVC Hose Vs Rubber Hose: Pressure, Temperature And Application Comparison

Compare PVC hose vs rubber hose by material, working pressure, temperature resistance, chemical compatibility, durability, and applications. Learn which specifications to check before selecting a hose for your industrial fluid transfer system.

More >>
no photo
1

Contact Us for Superior Quality and Service！

We strive to offer the best purchasing experience. Agile response, excellent quality, timely delivery, good prices, and professional after-sales services. We look forward to your cooperation.

Phone

+86-15192028938

Email

info@gsdrubber.com
Your Fluid OEM Solutions

Quick Links

Products

90f59eae-fd76-445d-aa8f-afdce59fc94a
​Copyright © 2026 Qingdao Grantseed Rubber Co.,ltd. All Rights Reserved.  Sitemap.  Privacy Policy.