trailer fifth wheel kingpin (2 ”&3.5”)
1.Specially processed one quality low alloy steel King pin, which has strong bearing capacity, long service life, light weight and excellent performance.
2. The high precision makes the performance more stable.
3 .High performance asbestos free brake friction plate, good braking performance, long wear resistance and long service life.
4.The new sealed King pin with O sealing ring, good sealing performance.
High-tech industrial Zoo, Jining City, Shandong Province, China.