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LDPE HDPE PE HOWLLOW BALLS
In 2007, Los Angeles Yi Wanfu bromate level of the reservoir was high. Bromate is a carcinogen, in the bromide and chlorine and sunlight to form a chemical reaction. Now, Yi Wanfu reservoir deployed three million black plastic balls,LDPE HDPE PE HOWLLOW BALLS responsible for the shift to ultraviolet
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