Changzhou Liberty Diseno New Material Co.Ltd is a subsidiary of China National Building Material Group Corporation.Being the composite material base of CNBM,which is under the direct supersivision of SASAC,and ranks among 2011 Fortune 500.Liberty serves as the vanguard of CNBM Co.Ltd's composite business.Liberty is located ,aiming at building Changzhou compostie base into a comprehensive center for high grade plastic floor.