... produce accesss floor since 1988 now we produce all type raised flooring 7,000 sqm/day .As a professional manufacturer ,we ... CISCA, PSB,ISO9001,ISO14001,KS,CE and BS standard .The raised access floor system types we have are as follows..steel ... cementitious raised floor system.steel hollow raised floor system.woodcore or calcium sulphate raised floor system.steel full-encapulated ...