This dataset represents the production and end-of-life treatment of an average offshore wind turbine unit in China, c, obtained through a weighted average based on installed capacity proportions of turbine units in the ranges <1.5, <2, >=1.5, <3, >=2, <3, >=4, and >=5 MW. Technical details can be found in the production datasets of individual rated power turbine units. The data is primarily derived from official statistics.