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High Quality 20mm 150mm Cast Iron Grinding Gold Ore Ball For Mine

Forged grinding balls,grinding media balls for mining rolling forged balls apply to ball mill with diameter more than 2500 mminding media balls for miningoose high carbon alloy steel and special steel as raw materials, adopt technique process of heating and forging by inclined hearth furnace, to reach hardness welldistributed of both surface and inneriorities1low rate of.