In a quick response to US Section 301 tariffs, China announced to impose additional tariffs of 25% on 106 US products. The total value of the products will add up to around USD 50b, matching the size of the US 301 tariffs.
The Finance Ministry also said in a press briefing that the goods will include soybeans, autos, chemicals, some types of aircraft and corn products, among other agricultural goods. Additional, extra tariffs will be imposed on whisky, cigars and tobacco, some types of beef, lubricants, and propane and other plastic products. The list also include certain sorghum products, cotton, some types of wheat, as well as trucks, some SUVs, certain electric vehicles.
Here is the statement from the Ministry of Finance (in Simplified Chinese).