The first CCER trade by ETS involved companies has done in Tianjin, CCER trading is about to be more active

24 March 2015 – Tianjin Pilot ETS traded 60,000 tons of CCER; the buyer is an ETS involved company. These CCERs are pre-CDM. According to different regulations of seven pilots, these CCERs can only be used in Tianjin and Shenzhen pilot ETSs as offsets.
Source: www.ideacarbon.org