Oceanchem Group Limited, Since 1950s, As Unique State-Owned Group which has the abundant Salt and Bromine which mined from Natural Underground Halogen Water, in Weifang City,Shandong,China. As the leading supplier for Flame Retardant, Plastics Additives, Oil Field Drilling Chemicals, Pharm Intermediates, WaterTreatment chemicals base on our abundant resources of Bromines(Br) in China.