He kaupapa tango fluoride 300T / H a Zhengda Food (Hengshui) Co., Ltd. i raro i te mana o te kamupene. Kua hipa te fluoride wai whenua i te paerewa i Gucheng County o Hengshui City. Ka whakamahia e tā mātou kamupene he tukanga tango fluoride motuhake hei whakatutuki i te whāinga o te tango fluoride mō te inu.
