... equipments .such as Bearings, hardware, electronics, iron, machinery and equipment, electric power, mining, metallurgy and other fields .Features :1) ... manganese steel, stainless steel and other recycled steel .2) The temperature could be controlled as your needs, to reach certain ... 130+4-2545771029030182140110DIA 140DIA 150+4-311278138718872 Common use high quality with various of material steel ball