Specifications

Semi trailer TRA leaf spring:
1)Material:SUP7,9,9A,10,11,11A
2)Type:Conventional,Parabolic,Z-type,Galvanized
Steel material

Semi trailer TRA leaf spring:

1) Material:SUP 6,7,9,9A,10,11,11A
2) Certificate:ISO/TS16949
3) Size: small size & big size are available   

Type:

Conventional,Parabolic,Z-type,Galvanized,Boat Trailer,Small Trailer,Multi;