Chemstorm Co., Ltd. founded in Hainan Province - the largest Special Economic Zone in China. Since establishment we have been striving to provide excellent products, superior technical supports and comprehensive services to our business partners and product users. The mainly products we offering are TCMTB,Methylene Bis Thiocyanate, Calcium Chloride, Sodium Metaborate,Phenolphthalein,Calcium Hypochlorite,Sodium Bicarbonate and so on.