About us
Jiangsu Runsu Machinery Materials Co., Ltd. is a steel material supplier serving overseas industrial buyers with steel pipes, round steel bars, forged shafts and machined shafts.
Our business focuses on carbon steel and alloy steel materials, with support for material selection, size confirmation, processing coordination, quality inspection, packing and export delivery.

Who We Are
Runsu works with industrial customers who need reliable steel materials for machinery, construction, energy, equipment manufacturing and project supply.
We focus on practical steel material supply and export service. Our goal is to help customers confirm suitable materials, reduce communication costs and receive products that match agreed requirements.
What We Supply
Steel Pipes & Tubes
Carbon steel pipes, alloy steel pipes, seamless pipes and precision tubes for industrial and project applications.
Round Steel Bars
Hot rolled, forged, bright and precision round bars for machining, forging and equipment manufacturing.
Forged & Machined Shafts
Forged shafts and machined shafts supplied according to drawings, dimensions, material grades and technical requirements.
Our Service Support
Requirement Confirmation
We help confirm product type, material grade, size, quantity, drawings, application and delivery terms before quotation.
Material & Grade Discussion
We can discuss Chinese, ASTM, AISI, EN, DIN, JIS and equivalent grade references according to customer requirements.
Processing Coordination
We support cutting, forging, machining, heat treatment and surface preparation according to order and drawing requirements.
Inspection & Export Support
We can support material certificate checking, dimensional inspection, packing confirmation, shipment photos and export document preparation.
Why Work With Runsu
Practical steel material supply for overseas industrial buyers.
Runsu focuses on carbon steel and alloy steel materials, helping customers confirm suitable products, processing requirements and export details before quotation and shipment.
Focused Steel Material Supply
Steel pipes, round steel bars, forged shafts and machined shafts for industrial applications.
Technical Requirement Confirmation
Support for material grades, sizes, drawings, processing requirements and application details.
Export-Oriented Support
Packing, inspection, shipment preparation and export document coordination for overseas buyers.
Industries We Serve
Our steel materials can be used in different industrial applications, including:
- Machinery manufacturing
- Construction machinery
- Industrial equipment
- Energy equipment
- Transmission systems
- Mining equipment
- Marine equipment
- Steel structure and project supply
- Custom machining and fabrication projects
Contact Runsu
If you need steel pipes, round steel bars, forged shafts, machined shafts or custom processed steel materials, please send us your product requirements, material grade, size, quantity, drawings and destination port.
We will check the requirement and provide suitable supply options according to your project needs.
