According to enterprise data, Cangzhou Dahua TDI Co., Ltd. was established in1996-18, and its business scope includes the manufacture of toluene _ 2,4 diisocyanate (TDI), hydrochloric acid, 2,4 _ diaminotoluene, 2,6 _ diaminotoluene and sodium carbonate. Wholesale and retail: desalted water, environmental protection equipment, instruments and meters; Hazardous waste management; Sewage treatment and its recycling; Environmental protection technology promotion service; Special design services for environmental protection projects; Engineering management services; Housing lease; General cargo transportation and road dangerous cargo transportation. (Projects that are subject to approval according to law can only carry out business activities after being approved by relevant departments; General business projects, can independently carry out business activities according to law) * *