Cologne Co., Ltd., one of the earliest and largest water reducing agent manufacturers in China, has a complete vertical industrial chain. In 2005, the company selected the high-speed railway mandatory use of polycarboxylic acid water reducing agent as the strategic product of Cologne development, after unremitting technological innovation, Cologne in the polycarboxylic acid water reducing agent has achieved a series of international leading scientific and technological innovation and market operation achievements, become the first domestic research and development of polycarboxylic acid water reducing agent polyether monomer enterprises, not only fill the gap in the domestic market, but also realize the construction and operation of the automatic production line of polycarboxylic acid water reducing agent products.