Weifang Toption Chemical Industry Co., Ltd. ,founded in 2006 with a registered capital 5millions, 150 employees, dedicated to enviromental friendly chemicals; is a professinal manufacturer of Calcium Chloride ,Barium Chloride,Magnesium Chloride,Sodium Metabisulfite, Sodium Bicarbonate, Sodium Hydrosulfite,Gel Breaker ,etc.
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