... oil seal GXQ5120JSQMB straight arm truck crane 1.HG60 strength the seal structure2.Hexagon the boom3.Chassis:DFAC,Foton,CAMC,,JAC4. ... range of technical highlight.They stand out in particular by virtur of their movements geomentry,a fast-working cable ... stronger climbing ability, higher lifting height, larger working range. By Using the oil seal from Italy, hexagonal boom, reinforced steel structure, ...