| Leaf spring type | Grade | Sizes of flat bars (thickness*width mm) | Output ( mt/year) |
| Heavy-duty | 51CrV4,50Crv, SUP9, 60Si2Mn, 65Mn |
13*90,16*90,18*90,20*90,22*90, 25*90,28*90,30*90,33*90,38*90,40*90;18*100,20*100,22*100,25*100, 28*100,30*100,33*100,38*100,40*100; 25*120,27*120,28*120,30*120,33*120,38*120,40*120 |
40,000 |
| Light-duty | Ditto | 6*60,7*60,8*60,9*60,10*60,11*60, 12*60; 8*70,9*70,10*70,11*70,12*70,13*70, 14*70,15*70,16*70; 8*75,9*75,10*75,11*75,12*75,13*75,14*75,15*75,16*75 |
30,000 |
| Semi-trailer | Ditto | 13*90,16*90,18*90,25*90,28*90 25*120,28*120,30*120,33*120,38*120 |
10,000 |
| Engineering | Ditto | 13*90,16*90,18*90,25*90,28*90 25*120,28*120,30*120,33*120,38*120 |
10,000 |
| Mini trailer | SUP9, 60Si2Mn | 6*60,7*60,8*60,9*60,10*60,11*60, 12*60; 8*44.5, 21.5*44.5 |
10,000 |
