double-dragon
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河南龙鼎铸业股份有限公司供应的刹车鼓为迪砂线生产，冲天炉和电炉双联熔炼的机械造型铸件，材质为HT250。
The brake drum supplied by He Nan Longding Casting Industry Co. , Ltd is made by DISAline, double-smelting and mechanical sculpting.
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