PETREL BIO-TECH CO.,LTD

We are one of professional manufacturer and exporter on chemical raw materials. With the high quality and competitive price, our product gained a good reputation in home and abroad , our main products including Water treatment Chemicals like Calcium Hypochlorite (sodium process) with the chlorine content of 65% and 70%, Trichloroisocyanuric Acid 90% (TCCA) and Sodium Dichloroisocyanurate 56%&60% (SDIC)，Pharmaceutical intermediates such asTannic Acid, Gallic Acid, Taurine, menthol crystal, and Caustic Soda, Soda ash, so on