Detailed Product Description: 1)Material: galvanized steel or aluminum 2)Specification: Single panel size do not bigger than 1600mm*4500mm 3)Thickness: from 1.0 to 6.0 (guarantee enought) 4)Surface coating: Outdoor polyester powder coating (10years guarantee) 5)Style: plane, perforated or any special style you want 6)Packing: standard carton with XINJING mark (woodbox or hard paper is addible) 7)Quality guarantee: We guarantee the surface color stable for 10 years by indoor useProduct Merit: 1)Surface smoothness and easy cleaning2)High precision ,rigidity and consistency 3)Strong corrupt proof, weather proof and chemical 4)Surface color guarantees 10 years for indoor use. 5)Flexible suspension system make each ceiling tiles easy install and disconnect 6)Easy to match lamps or other ceiling parts 7)FireproofRecommend applying in these places below: 1)Supermarket, marketplace 2)Service station, toll station 3)Underground, air port, bus station 4)School, office, meeting room 5)Hall, corridor and toilet 6)Sport center 7)Office, store, plaza 8)Hotel, restaurant, kitchen 9)Hospital Acoustic ability: 1)Perforated with SoundTex paper absorb modulus: NRC=0.7 2)Acoustic level: plain : CAC=40dB perforated: CAC=24dBFire proof ability: British Standards Institution fire test pass (BS476) XINJING offer kinds of ceilings for you, we also offer interior design and machining service.