In the meantime, this standard still is hanged to the metal, the material such as fluid sealant and adhesive plaster all raised standard and requirement. " metal and standard of technology of project of wall of stone material act " it is the another important level that involves stone timber group, stone timber production and enterprise of stone material conserve must understand the requirement of this one standard, ability makes his product gets used to act wall to build the demand of the project.
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