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We are the 100% right hi-tech OEM manufacturer which specializes in producing the third generation of rare earth permanent magnets. We can produce various grades and specifications of sintered NdFeB m...
Polyethylene polyamine
Multi-ethylene polyamine;
Polyethylene polyamine
CH2CH2NH2] n
Nature:
The nature of yellow or orange-red viscous transparent liquid. Is according to ethylene, di...
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