Accusations of Chinese dumping are cheap and easy to make, but the evidence is pretty mixed.
Most actual cases have been of raw materials (eg steel, yarn) and industrial chemicals.
I think this is a long way from the alleged "tsunami of Chinese goods".
It's also worth noting that many Chinese manufactured goods would mostly substitute for US manufactured goods (eg cars). That's actually the whole point.
It showed up in Africa along some of the Belt and road initiative items. Lined with Chinese sellers, Raising chickens and selling Chinese goods.