Since the foundation in the mid 80th, Jiangsu Lantian Group has been the largest MBR Flat Sheet Membrane manufacturer in China. Today it is generating 41% market share. The products have been widely used in waste water treatment, recycle and reuse purposes. The products suit various applications such as industrial, domestic, medical and chemical waste water treatment. The group also provides a variety of equipments in regard to the water treatment. Cooperating with Tsinghua University, the group has started to research and develop submerged flat membrane technology in 2005 and founded the PEIER membrane company in 2007 with fixed assets of 100 million CNY. The membranes were successfully brought into production and application in 2007. As we spent efforts on the corporations with other institutions, we have succeeded to enlarge the relationships to the other countries such as University of Sydney, E-VERY-CO Korea Co., Ltd. EPECP Dubai, Exxon Mobile Corp and Nanjing University. The sales in foreign markets have been increasingly becoming an important issue for the company. As we started expanding the business area, we have been successfully applied our business to the foreign markets. At the same time, the domestic revenues have been successfully increasing since the production establishmet.