Melamine yog tsuas yog siv nyob rau hauv kev lag luam ntawm ntoo ua, yas, txheej, ntawv, textiles, tawv, hluav taws xob, tshuaj thiab lwm yam. Nws tau nrov heev nyob rau hauv cov teb chaws Europe, North America, South America, Southeast Asia, Africa thiab lwm lub teb chaws thiab cheeb tsam.Melamine khoom tau txais ...
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