About plat timah hitam anti radiasi
three. Enhanced Ease and comfort: With a lot less noise intrusion, the constructing feels far more like a protected and comfy surroundings, despite the temperature outside.Diproduksi oleh perakitan serangkaian batang logam sama spasi untuk menghubungkan anggota lintas, Grating AIS tersedia dalam tiga bahan populer; baja karbon ringan, 6000 alumin