Min. Order Reference FOB Price
100 Pieces US$100.00-300.00 / Piece
Product Description
Trailer Durble Ball Turntable Product Description: Material of the rings: Ductile cast iron (nodular cast iron), code QT500-7; Hardness of ring: 170-230HBS; Heat treatment: Because ductile cast iron is with good wear-resisting property, so no need heat treatment; Tensile Strength: 500MPa; ...