overproduce
verb [ I or T ]
uk/ˌəʊvəprəˈdjuːs/ us/ˌəʊvərprəˈduːs/to produce more of something than is needed, or to produce too much:
Farmers are being encouraged to diversify into other crops, rather than continue to overproduce wine.
overproduction
noun [ U ]
The company is in a bad financial position because of overproduction and distribution problems.