China National Building Material Company Limited - cnbmltdChina National Building Material Co., Ltd. (“CNBM”) is a shareholding company, founded by the China National Building Materials Group Corporation, Beijing.china national building materialsmachinery group corporation,CHINA NATIONAL TECHNICAL IMP.&EXP.CORP. > ABOUT CNTIC .Established in September 1952, China National Technical Import and Export . a wholly-owned subsidiary of China General Technology (Group) Holding Ltd. which . communication, petrochemical, metallurgy, building materials, machinery,.
china national building materialsmachinery group corporation