We are QINGDAO HUALU MELAMINE CO.,LTD which is a manufacturer and exporter in China.We could supply various of melamine ,sebacic acid,SDIC(SODIUM DICHLOROISOCYANURATE),TCCA(TRICHLOROISOCYANURIC ACID) and sodium sulfate with good quality and attractive price.Our products have been exported to many coutries like Brazil,Germany,Turkey,Korea and so on.SDIC AND TCCA have been used widely in swimming pool in many coutries.If you have any interest,please contact us.