Maisang Products Private Limited is a ASSAM based private ltd. Company Registered at dated 07 OCT 2004 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Maisang Products Private Limited is U02004AS2004PTC007555 and registration number is 007555 and CHING SON GOHAIN is director in MAISANG PRODUCTS PRIVATE LIMITED

Umrongso Cement Ltd is a ASSAM based public ltd. Company Registered at dated 19 SEP 1988 on Ministry of Corporate Affairs(MCA), The Corporate Identification Number (CIN) of Umrongso Cement Ltd is U29230AS1988PLC003075 and registration number is 003075 and CHING SON GOHAIN is director in UMRONGSO CEMENT LTD