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US $ 25-40/kg
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US $ 139-299/kg
10 kg
US $ 234.4-293.9/kg
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US $ 30-60/kg
10 kg
US $ 30-60/kg
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Find wholesale boron powder online from China boron powder wholesalers and dropshippers. We help you get high quality neodymium block magnets and rare earth block magnets at bulk prices from m.made-in-china.com.