Nantong Sutong Separation Technology Co., Ltd. (hereinafter: SUTONG) is a company specialized in the design and manufacture of tower internals, packing, tower trays and the process of energy saving. Mainly develop the production, test and engineering service of mass transfer and separation in Chemical, Petrochemical, Refinery, Fertilizer, Oil & Gas and Environmental Protection areas. The relevant processes include rectification, absorption, extraction, regeneration, evaporation, stripping and waste water treatment of the tower separation, also including the design of dust filter and demister in the Environmental Protection. We can provide highly professional Engineering & Technology service, solve many difficult Engineering problems in different areas. SUTONG is a national High-tech company, the nominated supplier of Sinopec Group, the nominated company of National Technology Center of Chemical Engineering Design, the research and developing base and the only one nominated manufacture