Detailed product description:1) Material: galvanized steel or aluminum2) Size: 300 x 300mm, 600 x 600mm, 800 x 800mm, 300 x 1,200mm, 400 x 1,200mm, 600 x 1,200mm, or special size3) Thickness: 0.4-0.8cm4) Surface coating: outdoor polyester powder coating5) Style: plane, perforated, lay-in, clip-in or as per your request6) Quality guarantee: surface color can be stable for 10 years by indoor useProduct merits:1) Surface smoothness and easy cleaning2) High precision, rigidity and consistency3) Strong corrupt proof, weather proof and chemical proof4) Surface color stable for 10 years` indoor use5) Flexible suspension system makes it easily installed and disconnected6) Easy to match ceiling7) FireproofRecommend places for application:1) Supermarket, marketplace2) Service station, toll station3) Underground, air port, bus station4) School, office, meeting room5) Hall, corridor and toilet6) Sport center7) Office, store, plaza8) Hotel, restaurant, kitchen9) HospitalAcoustic ability:1) Perforated with SoundTex paper2) Absorb modulus: NRC=0.73) Acoustic level:a) Plain: CAC=40dBb) Perforated: CAC=24dBFire proof ability: pass British Standards Institution fire test (BS476)We also offer interior design and machining service.Packing:Standard carton with Xinjing mark (wood box or hard paper is addible)