Place of conduit of test house nowadays did not hold this unit, must seek development business, a lo

Buying bridal chamber to control a house is very happy for certain, do not pass or want microscope bridal chamber, there are any problems after avoiding. Open business to be in easily now especially everybody carelessly the place is jerry, a heart must take when making a room so. Want the small unit below next saying conduit today for instance, reckon a lot of people do not know, but action is very big, if discovery was not installed,must look for development business to rectify and reform, fastened rapid move to sign.

This small unit, according to building code it is to need to install the block anger that leaving conduit top to encircle, exterior mix by metallic crust in-house fill is flame retardant expand core material composition. Have the property of fire of very strong fireproof, block, effect is very big.