Tshuaj lom neeg bolts kho cov ntsia hlau hauv ib substrate xws li pob zeb ua los ntawm cov ntsia hlau, thiab muaj kev ntxhua khaub ncaws, thiab tshuab ntxhua khaub ncaws (qauv GB 50367). Cov ntaub ntawv uas yog galvanized steel los yog stainless hlau, thiab anchoring tob yog ≥8D (d yog lub bolt bolt hla).
Tshuaj lom neeg bolts kho cov ntsia hlau hauv ib substrate xws li pob zeb ua los ntawm cov ntsia hlau, thiab muaj kev ntxhua khaub ncaws, thiab tshuab ntxhua khaub ncaws (qauv GB 50367). Cov ntaub ntawv uas yog galvanized steel los yog stainless hlau, thiab anchoring tob yog ≥8D (d yog lub bolt bolt hla).
Peb lub tuam txhab tsuas yog ua lag luam thiab muag ntau lub hwj chim bolts, hoops, photovoltaic accetor, thiab lwm yam.