in april 11, 2014, nanjing carbon recycle biomass energy co. ltd. and china water industry group limited(cwi) signed a biogas upgrading contract.,nanjing carbon recycle biomass energy co.,ltd is the technology and devices supplier for cwi’s bio-cng projects. both sides intent to make cooperation in many fields as bio-gas research，process design , market development etc…, to promote the bio-gas (bio-cng) application in the field of renewable resources.
