On Jun. 18, 1994, Wanhua started 9688 project, the MDI capacity expansion project.
On Jan. 1, 1989, Yantai Wanhua synthetic factory changed its name to Yantai Wanhua synthetic general factory, and the Isocyanate Product Department changed its name to the Isocyanate Branch.
On Aug. 27, 1978, Pemission for the construction of the Yantai synthetic leather factory was given by the State Planning Commission and the Project Construction Committee, opening the start of China’s first PU base construction.