This is wrong on both counts.

1. The large firms and key industries are overwhelmingly publicly owned, public ownership is the principle aspect of the economy. Capitalism isn't just "markets," it's when private ownership is the principle aspect of the economy. In the PRC, public ownership is principle.

2. The working class has recieved dramatic increases in real wages year over year consistently for decades. Development and planning of the economy puts the working class first, which is why their conditions habw improved dramatically. The CPC is not a bourgeois party.

For further reading:

1. Qiao Collective's Introductory Socialism with Chinese Characteristics Study Guide

2. Socialism with Chinese Characteristics ProleWiki page

3. Socialist Market Economy ProleWiki Page

4. People's Republic of China ProleWiki Page

5. My "Read Theory, Darn It!" Introductory Marxist-Leninist Reading Guide

6. Has China Turned to Capitalism? Reflections on the Transition from Capitalism to Socialism by Domenico Losurdo

7. China Has Billionaires by Roderic Day

8. The Long Game and its Contradictions