GUANGZHOU: More than a third of the workers in Foshan city are at a high risk of contracting an occupational disease.

More than 1 million of the 3 million employed by 50,604 industrial companies in the industrial city regularly face various hazards, figures showed at a conference on occupational disease prevention and control on Wednesday.

Situated in the middle of the prosperous Pearl River Delta, Foshan is a major manufacturing base.