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Yongnian County, Handan, Hebei 10 standard parts industrial zone, more than 5,000 standard factory's daily production of waste can reach about 1,000 tons, a variety of standard parts waste is rich in resources, we now recommend to you is called the Cold leftover nut bean core, we call the scraps of cold beans, cold beans out the iron content of 9.8, the material is 235, the shape is round