Description of cement foaming machine: 1.Foamed concrete is a light weight concrete derived from portland cement and common portland cement asinorganic cementing material, coal ash as admixture, sandas aggregate, mixed with organic foaming agent. 2.Non-load-bearing walls constructed by cast-in-situ XF foamed concrete has changed the traditional way of building walls with precast concrete segments. The excellent integrity and easy operation means low labour intensity and low building cos 3.Besides, good strength characteristics with reduced eight, excellent sound and thermal insulation, and water proof, etc., all these performances make it an ideal substitute of present traditional walls.