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Is the counterweight of Shenzhen-Hong Kong excavator cement?

Yes According to the official introduction of Shenzhen and Hong Kong, the counterweight of Shenzhen and Hong Kong excavators is cement. Counterweight is a heavy object used to balance the moving parts of a machine. Kobelco excavator is an excavator product operated by Kobe Steel Group. Kobayashi Steel Works, the full name of Kobayashi Steel Group Company, was established in 1905 and has been making contributions to the society through "manufacturing". It is one of the three largest manufacturers of Japanese industry and one of the top 500 enterprises in the world.