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截止2004年底,我国已经登记注册的在用起重机共943500台:2004年进口起重机16台,出口起重机1274台。目前经国家质检总局颁发起重机制造许可证的单位1426家,颁发起重机械安装(改造/维修)许可证的单位1898家。目前我国拥有较强的起重机械制造能力,桥式起重机额定起重量达到1200t,门式起重机额定起重量达到600t,塔式起重机额定起重能力达到900tm,汽车起重机额定起重量达到150t,轮胎起重机和履带起重机额定起重量
As of the end of 2004, China has registered a total of 943500 cranes in service: imported 16 cranes in 2004 and exported 1274 cranes. At present, 1,426 units have been issued a crane manufacturing license by AQSIQ, and 1,898 units have been issued with permits for the installation (modification / maintenance) of lifting machinery. At present, China has a strong crane manufacturing capacity, overhead cranes rated capacity up to 1200t, gantry crane rated lifting capacity of 600t, tower cranes rated lifting capacity of 900tm, car cranes rated lifting capacity of 150t, tire cranes And crawler cranes rated capacity