Weifang Toption Chemical Industry Co., Ltd., na faavaeina i le 2006 ma se tupe faavae faamauina 5miliona, 150 tagata faigaluega, tuuto atu i vailaau faauo siosiomaga; o se gaosiga faʻapolofesa o Calcium Chloride, Barium Chloride, Magnesium Chloride, Sodium Metabisulfite, Sodium Bicarbonate, Sodium Hydrosulfite, Gel Breaker, ma isi.
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