| Main Structural: | Hot rolled steel structure |
| Steel Materials: | Q235/Q355 grade steel |
| Beam/Column: | H-shaped steel |
| Purlins: | C/Z Section steel |
| Wall/Roof System: | Metal Sandwich Panel(eps/pu/rock wool) |
| Accessory: | Crane, drainage pipe, door, window |
| Service Life: | Over 25 years |
| Delivery Time: | 30 days after receiving the deposit |
| Payment: | T/T, L/C, PayPal |




1. The first and largest steel structure & sandwich panels factory in north of China.
2. 20 years experience direct factory with competitive price, stable and controllable quality.
3. Over 100 million dollars of annual output.
4. More than 100000m2 production industrial park.
5. One stop service from design, production to installation.
6. 10 units free 3D designs & 10 units design structural drawings per day.
7. Professional installation teams in 30+ countries.
8. CE,ISO certificates.
9. Supply quality guarantee for 15 years.
10. Cooperating with 100+ countries & 2000+ partners.



Yirong is headquartered in Zhengzhou, Henan Province and is a leading professional manufacturer and supplier of building steel structural kits in China.
Our steel structures have obtained European CE, ISO, EAC certificates, and SGS certification.
We have a production and manufacturing plant covering an area of approximately 30000 square meters, with an experienced technical team dedicated to the design, manufacturing, sales, installation, and service of steel structure buildings.



