... strength and good elongation.Afte hammer hitting testing,the top cup have no any cracks and broken.Surface: Self ColourAppereance ... High QualitySupply Ability: 900Ton per monthCustom Made: AvailableQingdao Hilong Machinery Co.,Ltd is a professional and one of the biggest manufacturer for ... Hex nut, Swivel wing nut, Climbing cone, Scaffold top cup, Prop nut, Prop sleeve, Base jack nut, Scaffold coupler, ...