The non-nuclear Type 212CD submarine may have a size of somewhere around 73m, beam of 10m and height of 13m. The surface displacement from the submarine is going to be two,500m³. China is buying Superior weaponry and devices, and overhauling its military command composition to modernise its armed forces. https://defense-capabilities08518.livebloggs.com/36223500/chinese-military-an-overview