About jual grating galvanis
Glasswool is an insulating content produced from glass fibers, which is made by melting glass at significant temperatures after which drawing it into great fibers.Kami menawarkan jenis dari steel grating terdiri dari two jenis yang bisa anda pilih sesuai dengan kebutuhan pengaplikasian.Total serated grating memiliki permukaan bergerigi tanpa tambah