Raised Floor, Access Floor, Calcium Sulphate Raised Floor manufacturer / supplier in China, offering OA500 Grc Raised Access Floor/Steel-Encapsulated Type OA500g-B, OA500 Grc Raised Access Floor/Steel-Encapsulated Type OA500g-P, OA500 Grc Raised Access Floor/Bare Type OA500g-B and so on.