Production: Producers ought to apply Power-effective procedures and cut down emissions through generation. Application: Optimize using selenium powder to scale back waste and improve effectiveness in applications. Disposal: Properly regulate conclusion-of-lifetime merchandise containing selenium powder to circumvent pollution and promote recycling where by doable. Right after 3~5h, th... https://www.facebook.com/permalink.php?story_fbid=122103251072646701&id=61569401052276&substory_index=587494087066967