Product Description Our company mainly supply China first class brand XCMG crane( QY130K QY100K QY80K QY70K QY65K QY50K QY50B QY40K QY35K QY30K5 QY25K5 QY25K QY25E QY25A QY20B QY20 QY16K QY16D QY16C QAY200 QAY160 QAY130 QAY50 QAY25 QUY300 QUY150 QUY100 QUY50 Etc. )Sealing We do full type sealing inclued Sealing: 120*150*14(QY16C Etc. ) 140*170*16(QY16C Etc. ) 160*190*16(QY16C Etc. ) 120*150*14(QY16K Etc. ) Circumrotate Airproof(QUY50): ZK100/89*4.2 ZK130/119*4.2 ZK160/144.5*6.3 Oil Seal Seal Ring Axle Sealing Y Air Proof Ring Modek Airproof O Seal Ring Seal Oil Case Seal Holder Gasket Etc.