Joinunion International Holding Corporation Limited located in Shenyang China. We are as manufacturer for exporting welding, spring, workpieces and some machine & electrical equipment
We have substantial technical strength, a full set of inspection methods, which makes the quality of our products stable all the time. Now we have established direct trading relationship with many commercial establishments in more than 50 countries and territories around the world. 

Main Products for Welding
1. Low alloy steel Welding rod  
2. Molybdenum and chrome-molybdenum heat resistant welding rod  
3. Low temperature steel welding rod  
4. Stainless steel welding rod  
5. Surfacing welding rod  
6. Cast iron welding rod  
7. Nickel base alloy welding rod  
8. Welding wire
9. Baked flux


We have completed the products range focusing on automobile, covering motorcycle, engineering machinery, petroleum transport and conveying, precision instrument, sport apparatus and mechanical devices etc, all of them have been sold in more than 30 countries and regions across the world. We also could produce special sharp according to the requirement.
Following the concepts of being customer oriented and aiming at quality and scale effect, the company is dedicating to be international competitive with the ideal to be the world-known spring supplier. 

main products of springs : 
1. Compression Spring
2. Extension Spring        
3. Torsion Spring          
4. Clamp Spring
5. Volute Spiral Spring
6. Disk Spring
7. Scroll Spring
8. Diaphragm Spring
9. Atactic Spring