Yes, there are various evidences are present which are suggesting that the China is dumping excess steel production on world's market.

Let us have a look at the evidences which are as follows.

1- The China steelmakers were estimated to produce 300 million more tons of steels than the domestic consumption. And it causes the export of Steel into the world's market.

2- The Chinese steelmakers were at loss so they started selling steel at very low price which affected world's steel producers.

3- The China was also selling corrosion resistant steel at unfairly low price.

All these evidence are suggesting that China is dumping excess steel into the world's market.