Twin International,one of the biggest manufacturer and exporter of water treatment chemicals and pharmaceutical intermediates such as: Aluminum Chlorohydrate(ACH), Amino acids, KBR,PBTC,TCCA,SMFP,ATMP,SAP,PAA,AA/AMPS,Plant extract oils(TTO),TDI 80/20,etc. Our company located in famous maritime Centre and financial Centre - Shanghai, China. Why Twin??? . TOP 10 Chemical enterprises in China . Over 12 years of experience . Wholly owned production plant (1500 square meters) . Sales to more than