German Navy blog Marine Forum has two reports on shipbuilding programs for the Chinese Coast Guard.
“Huangpu shipyard launches the second of four 4,000-ton China Coast Guard patrol ships, HAI JING 2401.” (reported 12 Sept)
“Xingang Shipyard (Tianjin) launches paramilitary China Marine Surveillance (CMS) 600-ton patrol vessel HAI JIAN 3012 … 14 such ships ordered/under construction, also at Wuhan.” (reported 9 Sept.)
You can be sure they are building them fast.