The line type of the fire door frame and fan should meet the design requirements, and the cut corners and joints should be strict and smooth.

https://ztfiredoor.com/25395.html

panto seuneu-bukti,panto logam tahan seuneu,panto seuneu,seuneu dipeunteun darurat ngewa panto dua,seuneu dipeunteun panto,seuneu dipeunteun panto kabur darurat dua titik,panto seuneu,panto logam dipeunteun seuneu,panto seuneu-bukti,panto panel aluminium seuneu,seuneu dipeunteun panto,panto aluminium seuneu,panto seuneu,panto saku dipeunteun seuneu,seuneu dipeunteun panto,panto seuneu-bukti