Zhangjiagang Qians' Huilong Group Co., Ltd.Huilon Group was established in 1998 and located the famous economy-booming city-Zhangjiagang. lies within vicinity of Yangtze River south, Shanghai east which benefits by convenient transportation. Affiliated with group, there are three companies namely Huilong Technological Environmental ....Address:Lubei Village, Luyuan, Tangqiao TownProduct/Service:Green construction and decorative materials,building materials,household cleaning products,electrical products,export trade business,Magnesium Fireproof Board,Ceiling Channels and Grids,Gypsum Board,PVC wall and Ceiling Panel,Aluminum Composite Panel,Fiber Cement Board,Writing Board,Sandwich Panel,Aluminum Profile,Wire Mesh,Polyethylene,Building Paper,Glass Rock Wool Board,High-pressure laminate (,Green construction and decorative materials,building materials,household cleaning products,electrical products,export trade business,Magnesium Fireproof Board,Ceiling Channels and Grids,Gypsum Board,PVC wall and Ceiling Panel,Aluminum Composite Panel,Fiber Cement Board,Writing Board,Sandwich Panel,Aluminum Profile,Wire Mesh,Polyethylene,Building Paper,Glass Rock Wool Board,High-pressure laminate (Shanghai Hanhan Hardware Co., Ltd.Located in Shanghai, China, Hanhan is a professional manufacturer of components for Partition Walls and Ceiling System.We are offering our client an excellent quality range C Channel, U Stud, Track, Main Furring Plasterboard, Plywood, etc. Wall Ceilings. These manufactured from qualitative raw ....Address:102 1st Building, No. 230, Wangjin Village, Zhujiajiao Town, Qingpu District, Shanghai, China(Mainland)Product/Service:Galvanized Light Steel Profiles,z purlin,sandwich panel,c purlin,t grid,omega,drywall profiles,c channel,ceiling channels and grids,steel keel,furring channel,Ceiling System,Ceiling Accessories,Ceiling Components,Partition Wall System,Partition Accessories,Partition Components,Galvanized Profiles,Tube,Metal Building Materials,steel channel,Steel Channel Spare Parts,Plasterboard,Ceiling T Grid&Alum,Galvanized Light Steel Profiles,z purlin,sandwich panel,c purlin,t grid,omega,drywall profiles,c channel,ceiling channels and grids,steel keel,furring channel,Ceiling System,Ceiling Accessories,Ceiling Components,Partition Wall System,Partition Accessories,Partition Components,Galvanized Profiles,Tube,Metal Building Materials,steel channel,Steel Channel Spare Parts,Plasterboard,Ceiling T Grid&AlumShidailong Building Materials Co., LtdThe Building Materials Products Factory of shi dai long in bazhou city is a Professional specializing the production building materials producers, Use Hot galvanized plate with color and raw for steel, Moisture ã?? Fireã?? ....Address:kangxianzhuang, bazhou, hebei, ChinaProduct/Service:stainless steel channel,structural steel channel,steel channel supplier,steel channels,steel stud,steel ceilings,stainless steel ceiling,steel studs,steel stud manufacturers,structural steel studs,steel channel,steel products,construction metal products,building materials,steel ceilings,steel drywall,building material,steel framing,steel stud framing,ceiling systems,steel ceiling system,furring ch,stainless steel channel,structural steel channel,steel channel supplier,steel channels,steel stud,steel ceilings,stainless steel ceiling,steel studs,steel stud manufacturers,structural steel studs,steel channel,steel products,construction metal products,building materials,steel ceilings,steel drywall,building material,steel framing,steel stud framing,ceiling systems,steel ceiling system,furring chBaltimore Co.LtdWe are leading Exporter company for building materials provides high quality products and reliable service to customers, we a variety of High Construction Structural Steel & Profile builders contractors. Business Scope Steel: HOT ROLLED STEEL H BEAM, channels angles Along with rapid development, ....Address:Zeriab St, Amman, Arjan, JordanProduct/Service:hot rolled steel h beam, steel channels & angles , aluminum steel, welded steel column/beam, light steel structure building, multi-level construction, , steel structure villa, buildings,gypsum false ceiling, metal false ceiling & frames.,,hot rolled steel h beam, steel channels & angles , aluminum steel, welded steel column/beam, light steel structure building, multi-level construction, , steel structure villa, buildings,gypsum false ceiling, metal false ceiling & frames.,Jiangyin Hetai Metal Products FactoryJiangyin HeTai Metal Products Factory was established in 1989 being engaged the production of metallic construction materials. Now, we are one main manufacturers Hot dipped galvanized steel strip / coil, Cold rolled coil; Steel stud channel and T-bar for suspended ceiling systems, metal studs drywall ....Address:Huashi Shanbei Industrial Area,Product/Service:Steel Strips, Steel Coils, Galvanized Steel Strips, Gi, Cr, Tinplate, Steel Channel, Steel Stud, Steel Bar, T Grid, T Bar, Ceiling, Ceiling Channel, Decorative Material , Galvanized Steel Strips For Armoured Cable,Galvanized Steel Coil & Strip,Ceiling Channels & T Grid,Ceiling Channels & Stud,Ceiling T Grid, Ceiling T Bar,Steek Track, Steel Channel,Pre-painted Steel Strip, Steel Coil,Steel Channel, Steel Stud,Galvanized Steel Channel, Steel Track,Steel Channel For Drywall Partitions,Gypsum Board, Plaster Board,Galvanized Steel Tube And Pipe, Electrical Conduits,Steel Conduits, Metal Conduits,Galvanized Steel Coils (Slitted GI),,Steel Strips, Steel Coils, Galvanized Steel Strips, Gi, Cr, Tinplate, Steel Channel, Steel Stud, Steel Bar, T Grid, T Bar, Ceiling, Ceiling Channel, Decorative Material , Galvanized Steel Strips For Armoured Cable,Galvanized Steel Coil & Strip,Ceiling Channels & T Grid,Ceiling Channels & Stud,Ceiling T Grid, Ceiling T Bar,Steek Track, Steel Channel,Pre-painted Steel Strip, Steel Coil,Steel Channel, Steel Stud,Galvanized Steel Channel, Steel Track,Steel Channel For Drywall Partitions,Gypsum Board, Plaster Board,Galvanized Steel Tube And Pipe, Electrical Conduits,Steel Conduits, Metal Conduits,Galvanized Steel Coils (Slitted GI),International Building Material Ltd.We are pleased to introduce ourselves as one of the major trading company in Hong Kong. Our factory manufacture and supply an extensive range creative plaster cornices gypsum board products. With more than 10 years experiences, our products hand crafted highest international standards. always put ....Address:18th Floor Hoi Kiu Commercial Building, 158 Connaught Road, CentralProduct/Service:Plaster Cornices, Fibre Plasters, Gypsum Board, Ceiling Plates, Wooden Plates, Furring Channels, Tracks, Studs , Ceiling Furring System,Decorative Plaster-Dado Rails 2,Decorative Plaster-Dado Rails,Decorative Plaster-Ceiling Corner Pieces,Furring Channels,Decorative Plaster-Center Pieces,Plaster Cornices,Bagged Plaster,Decorative Plaster-Angels,Decorative Plaster-Greek God,Decorative Plaster-Greek Goddess,Decorative Plaster-Greek Gods,Decorative Plaster-Sun,Decorative Plaster-Angel Head,Decorative Plaster Statues -Small Angel,Decorative Plaster-Child,Decorative Plaster-Angel With Horns,Decorative Plaster-Eagles,Decorative Plaster-Corbels,,Plaster Cornices, Fibre Plasters, Gypsum Board, Ceiling Plates, Wooden Plates, Furring Channels, Tracks, Studs , Ceiling Furring System,Decorative Plaster-Dado Rails 2,Decorative Plaster-Dado Rails,Decorative Plaster-Ceiling Corner Pieces,Furring Channels,Decorative Plaster-Center Pieces,Plaster Cornices,Bagged Plaster,Decorative Plaster-Angels,Decorative Plaster-Greek God,Decorative Plaster-Greek Goddess,Decorative Plaster-Greek Gods,Decorative Plaster-Sun,Decorative Plaster-Angel Head,Decorative Plaster Statues -Small Angel,Decorative Plaster-Child,Decorative Plaster-Angel With Horns,Decorative Plaster-Eagles,Decorative Plaster-Corbels,UNIQUE DECORThis supplier has not provided a Company Introduction yet..Address:B-11-C, Anupam Enclave Phase-1, Saidulajab Ext. Near SaketProduct/Service:Venetian Blinds, Wooden Flooring, Carpets, Wall Paper, Sun Control Films, PVC Flooring, False Ceiling, False Flooring, Aluminiun Fabrication, Awnings , False Ceilings,Cildren Wallpapers,Wallpapers,Sun Control Films,C-Channels,Curtain Rod,PVC Flooring,Deck Flooring,Hardwood Flooring,Wooden Laminated Flooring,Wooden Venetian Blinds,Chicks Blinds,Roman Blinds,Roller Blinds,Venetian Blinds,Vertical Blinds,Canopies,Gazebos,Umbrella Awnings,Fixed Awnings,Drop Arm Awnings,Tunnel Awnings,Dutch Cap Awnings,Window Awnings,Terrace Awnings,Blinds,Awnings,,Venetian Blinds, Wooden Flooring, Carpets, Wall Paper, Sun Control Films, PVC Flooring, False Ceiling, False Flooring, Aluminiun Fabrication, Awnings , False Ceilings,Cildren Wallpapers,Wallpapers,Sun Control Films,C-Channels,Curtain Rod,PVC Flooring,Deck Flooring,Hardwood Flooring,Wooden Laminated Flooring,Wooden Venetian Blinds,Chicks Blinds,Roman Blinds,Roller Blinds,Venetian Blinds,Vertical Blinds,Canopies,Gazebos,Umbrella Awnings,Fixed Awnings,Drop Arm Awnings,Tunnel Awnings,Dutch Cap Awnings,Window Awnings,Terrace Awnings,Blinds,Awnings,carmelagencieswe are one of the leading traders on gypsum boards, accostical ceiling tiles and manufactures framing g. i. channels, cornices accessories from India. having our main office at john centre, Palarivattom, cochin marketing office-export-import division Edappally cochin, ourpresence is also in malabar ....Address:18 / 1481-b, bridge view, puthiyaraProduct/Service:CEILING CHANNELS, GYPSUM CORNICES, CEILING ACCESSORIES, GYPSUM JPOINTING COMPUNDS, GLASS WOOLS , GI CHANNELS FOR FALSE CEILINGS,GYPSUM CORNICES,GI CHANNELS,T- Grid channels,,CEILING CHANNELS, GYPSUM CORNICES, CEILING ACCESSORIES, GYPSUM JPOINTING COMPUNDS, GLASS WOOLS , GI CHANNELS FOR FALSE CEILINGS,GYPSUM CORNICES,GI CHANNELS,T- Grid channels,Riga Trading Pvt LtdThis supplier has not provided a Company Introduction yet..Address:V S Vyas margProduct/Service:Guard Rail,T Grid Suspension Ceiling,Dry Wall Partition,Z Purlin , Furring Channel,Decking Sheets,Guard Rail,T Grid,Dry Wall Stud,Furring Channel,Decking Sheets,Guard Rail,T Grid,Guard Rail,Furring Channel,Furring Channels,Dry Wall Stud,Dry Wall Stud,Dry Wall Stud,Furring Channels,Guard Rail,Furring Channel,High Way Guard Rail C Post,Highway Guard Rail,T Grid,Guard Rail,,Guard Rail,T Grid Suspension Ceiling,Dry Wall Partition,Z Purlin , Furring Channel,Decking Sheets,Guard Rail,T Grid,Dry Wall Stud,Furring Channel,Decking Sheets,Guard Rail,T Grid,Guard Rail,Furring Channel,Furring Channels,Dry Wall Stud,Dry Wall Stud,Dry Wall Stud,Furring Channels,Guard Rail,Furring Channel,High Way Guard Rail C Post,Highway Guard Rail,T Grid,Guard Rail,FlexiimpexWe would like to introduce our company, FLEXI IMPEX Company, engaged in the manufacturing & distribution business of quality products for Construction Industry. are specialized sourcing and supplying various Mechanical products. Since inception we have built reputation on platforms products, ....Address:Unit No-2. Gupta Compound; Makwana Lane; Marol Andheri (E)Product/Service:METAL CEILING,DRY WALL SCREWS,G I CHANNELS,HPL SHEETS,EXPANSION FASTNERS FOR FALSE CEILING,strut channel,FALSE CEILING MATERIALS,ROAD BARRIERS,FIBER CEMENT SHEETS,CONNECTING CLIP FOR CEILING , EXPANSION FASTNER FOR FALSE CEILING,METAL CEILING,metal ceiling panels,DRY WALL SCREWS,STRUT CHANNEL,METAL CEILING,ceiling connecting clip,ceiling section drywall screws,ceiling section,,METAL CEILING,DRY WALL SCREWS,G I CHANNELS,HPL SHEETS,EXPANSION FASTNERS FOR FALSE CEILING,strut channel,FALSE CEILING MATERIALS,ROAD BARRIERS,FIBER CEMENT SHEETS,CONNECTING CLIP FOR CEILING , EXPANSION FASTNER FOR FALSE CEILING,METAL CEILING,metal ceiling panels,DRY WALL SCREWS,STRUT CHANNEL,METAL CEILING,ceiling connecting clip,ceiling section drywall screws,ceiling section,amrit ceiling products co.This supplier has not provided a Company Introduction yet..Address:158, amrit kaur market, opposite new Delhi railway station, paharganjProduct/Service:false ceiling,gypsum board,mineral fiber acoustical ceiling tiles,G I channels,partition channel,T grids,bison board,e-board,glass wool,inter channel,industrial and decorative paints,armstrong acoustical ceilings and floorings,plaster of paris,ceiling tools and accessories , gypsum board , false ceiling , partitions,,false ceiling,gypsum board,mineral fiber acoustical ceiling tiles,G I channels,partition channel,T grids,bison board,e-board,glass wool,inter channel,industrial and decorative paints,armstrong acoustical ceilings and floorings,plaster of paris,ceiling tools and accessories , gypsum board , false ceiling , partitions,Ramzan General TradingRamzan General Trading is a dynamically organized company, operating from the United Arab Emirates and covering growing construction market as specialized supplier in building materials.Our mission is, to provide reliable quality Ceiling Materials like Gypsum Board, Tile, GRC Decorative Aluminum & ....Address:airport freezone roadProduct/Service:Gypsum board,ceiling tiles,suspension,cross T,wall angle,metal ceiling tile,GRC decorative ceiling tiles,Aluminum Tile,partition channels ,,Gypsum board,ceiling tiles,suspension,cross T,wall angle,metal ceiling tile,GRC decorative ceiling tiles,Aluminum Tile,partition channels ,Ramzan General Trading L.L.C.Ramzan General Trading is a dynamically organized company, operating from the United Arab Emirates and covering growing construction market as specialized supplier in building materials.Our mission is, to provide reliable quality Ceiling Materials like Gypsum Board, Tile, GRC Decorative Aluminum & ....Address:DieraProduct/Service:Gypsum Boards,Gypsum Tiles,Metal Profiles,Veiling Tiles,GRC Decorative Tiles,T Bar Suspension,Ceiling & Partition Channels,Metal Ceiling Tiles , Gypsum Boards, Gypsum Powder , Metal Profiles and Gypsum Tiles,,Gypsum Boards,Gypsum Tiles,Metal Profiles,Veiling Tiles,GRC Decorative Tiles,T Bar Suspension,Ceiling & Partition Channels,Metal Ceiling Tiles , Gypsum Boards, Gypsum Powder , Metal Profiles and Gypsum Tiles,METCRAFT ENGINEERING CORPORATIONDear Sir, We hereby take an opportunity to introduce ourselves as one of the Leading Engineering Group Companies based at Bombay, India and specialized in manufacturing Cold Roll Forming Sections various applications constructions industries, infrastructure projects like Roads (Metal Crash ....Address:601-602, Siddarth Arcade, L. T. Road, Borivali (W)Product/Service:Guard Rail / Barriers,Palesaide Fencing,Roofing Pannel,Drywall Partition And Ceiling Sections,Studs / Tracks / Furring Channels / Main Channels , Dry Wall Studs,T Grid Suspension System,T Grid Suspension System,Highway Crash Barriers,Dry Wall Studs,Highway Crash Barriers,Highway Crash Barriers,High Way Guard Rail,Dry Wall Studs,Highway Safety Barriers,T Grid Suspension System,Highway Safety Barriers,Dry Wall Studs,Dry Wall Studs,Dry Wall Studs,Steel Studs,Guard rail,Guard Rail,High Way Guard Rail,T Grid Suspension System,Highway Guard Rail,Highway Safety Guard Rail,Highway Safety Barriers,Z Purlin,Prefabricated Building Material,Roofing Sheet,Guard Rail,T Grid Suspension System,Dry Wall Partitions Channels Furring,Trapezoidal Roofing Tiles,,Guard Rail / Barriers,Palesaide Fencing,Roofing Pannel,Drywall Partition And Ceiling Sections,Studs / Tracks / Furring Channels / Main Channels , Dry Wall Studs,T Grid Suspension System,T Grid Suspension System,Highway Crash Barriers,Dry Wall Studs,Highway Crash Barriers,Highway Crash Barriers,High Way Guard Rail,Dry Wall Studs,Highway Safety Barriers,T Grid Suspension System,Highway Safety Barriers,Dry Wall Studs,Dry Wall Studs,Dry Wall Studs,Steel Studs,Guard rail,Guard Rail,High Way Guard Rail,T Grid Suspension System,Highway Guard Rail,Highway Safety Guard Rail,Highway Safety Barriers,Z Purlin,Prefabricated Building Material,Roofing Sheet,Guard Rail,T Grid Suspension System,Dry Wall Partitions Channels Furring,Trapezoidal Roofing Tiles,Linyi Weicheng Metal Product Co., LtdLinyi Weicheng Metal Product co., ltd. is a modern sizeable enterprise of all kinds ceiling grids, metal studs and tracks, other accessories for suspension drywall partition , covering an area ten thousand square meters, owning over one hundred experienced employee. Our company has strong technical ....Address:Jinjiu Road Luozhuang District, Linyi, Shandong, ChinaProduct/Service:ceiling grids, mental studsand tracks accessories , drywall partition, gypsumboard, and pvc gypsum board,Stud and track,Furring channels,Ceiling t-grid,,ceiling grids, mental studsand tracks accessories , drywall partition, gypsumboard, and pvc gypsum board,Stud and track,Furring channels,Ceiling t-grid,ZHANGJIAGANG NEW GANGXING TECHNOLOGYCO., LTDZhangjiagang NewGangxing Technology Co., Ltd. was established in 1980, which covers 230 acres. The building area reaches 75000 square meters. It owns 150 million capitals assert and more than 600 workers. We specialize Galvanized steel coils, Pre-painted Tin plate, Furring channel Ceiling grids of ....Address:FENGHUANG, ZHANGJIAGANG, JIANGSU, ChinaProduct/Service:ceiling channels & grid;strut channel,,ceiling channels & grid;strut channel,Hebei Xinyun Longgu Building Material Co.,LtdHebei Xinyuan Longgu Building Material Co., Ltd was founded in 1994, it has a long history about 20 years, is located Bazhou City Province China, covers an area of 200, 000m2, with ter floor space 80, the total capital more than 200 million RMB. specialized HDG coils , tubes ceiling and drywall light steel ***** ....Address:ChinaProduct/Service:ceiling drywall channels hdg coil steel tube,Ceiling and drywall light steel channels,Hot dipped galvanized steel coils /,Hot dipped galvanized steel coils 01,Hot dipped zinc galvanized steel tubes02,Ceiling / drywall light steel channels ..,,ceiling drywall channels hdg coil steel tube,Ceiling and drywall light steel channels,Hot dipped galvanized steel coils /,Hot dipped galvanized steel coils 01,Hot dipped zinc galvanized steel tubes02,Ceiling / drywall light steel channels ..,Universal Co.we wished to inform you that are one of the highest seller in above mentioned products and like enquire about prices for bulk quantity. so please send us best possible these or any with there sizes. We look forward hearing from soon. Best regards ....Address:india, delhi, india, IndiaProduct/Service:adhesive fibre tape,ceiling channels,zinc fastner,connecting clips, compound,,adhesive fibre tape,ceiling channels,zinc fastner,connecting clips, compound,Tangshan Fenrun Kaiwei Steel Co., LtdTangShan KaiWei Steel Co., Ltd. is a united company integrating with production, trading and transportation in Tangshan City. It has 3 subsidiaries including Ltd., XinLongYuan XingDa The total land area of our 40, 000 kilometers the investment fixed assets RMB 40 million. annual output profiled steel 400 ....Address:north of Dabali villiage, Tangshan, Hebei Province, ChinaProduct/Service:rebar,steel rebar,hot rolled steel rebar,reinforcing bar,steel bars,reinforcing steel bars,round steel bars,steel i beam,i beams,metal i beam,hot rolled i beam,steel beams,ceiling beams,structural beams,equal angle,equal angle bars,angle bar,steel angles,metal equal angle,hot rolled steel angles,channel steel,channel steel profiles,metal channel,formed steel channel,structural steel channel,steel channel distributors,ceiling steel channel,structural steel,steel products,ceiling channels,Rebar,I-Beam,Equal Angle,Channel Steel,Channel Steel,,rebar,steel rebar,hot rolled steel rebar,reinforcing bar,steel bars,reinforcing steel bars,round steel bars,steel i beam,i beams,metal i beam,hot rolled i beam,steel beams,ceiling beams,structural beams,equal angle,equal angle bars,angle bar,steel angles,metal equal angle,hot rolled steel angles,channel steel,channel steel profiles,metal channel,formed steel channel,structural steel channel,steel channel distributors,ceiling steel channel,structural steel,steel products,ceiling channels,Rebar,I-Beam,Equal Angle,Channel Steel,Channel Steel,Samjin CommerceThis supplier has not provided a Company Introduction yet..Address:Handoo Bldg. 5F, 368-90 Shindang-Dong,Product/Service:Infrared Conference System,Wall Speaker,Horn Speaker,Power Amplifier,PA System,IP Intercom,Color Camera , TOA TS-900 conference system with interpretation channels and electronic voting,TOA TS-801 Infrared Chairman Microphone Station,TOA TS-802 Infrared Delegate Microphone Station,TOA HS-1500BT Coaxial Array Speaker 15 Inch Cone Woofer LF Driver, High Quality Sound, Black,TOA HS-150B Coaxial Array Speaker System,TOA HS-1200BT Coaxial Array Speakers,TOA HS-120B 12" Coaxial Array Speaker,TOA H-3 Wide-Dispersion Wall-Mount Speaker,TOA H1 2-way Interior Speaker, Wall / Ceiling Mount,TOA FB120B / FB120W Subwoofer speaker,TOA F-2000WTWP Weatherproof 60w 100v line full range,F-1300WTWP 30w 100v line weatherproof full range,TOA F-1300BT Wide Dispersion Two Way Speaker,TOA BS-678 Box Cabinet Speaker,6W 100V Box Cabinet Speaker,6W 100V Line Speaker With Attenuator,seal,Mechanical Parts,Heat Insulator,Electrical insulation parts,Mixer Power Amplifier,Multichannel Power Amplifier,Color Dome Camera,Fullrange-/Mid-High Loudspeaker,C O M PACT FULL-RANGE SYSTEM,2 way Active Speaker,3 way Line Array Speaker,2 way Loudspeaker,,Infrared Conference System,Wall Speaker,Horn Speaker,Power Amplifier,PA System,IP Intercom,Color Camera , TOA TS-900 conference system with interpretation channels and electronic voting,TOA TS-801 Infrared Chairman Microphone Station,TOA TS-802 Infrared Delegate Microphone Station,TOA HS-1500BT Coaxial Array Speaker 15 Inch Cone Woofer LF Driver, High Quality Sound, Black,TOA HS-150B Coaxial Array Speaker System,TOA HS-1200BT Coaxial Array Speakers,TOA HS-120B 12" Coaxial Array Speaker,TOA H-3 Wide-Dispersion Wall-Mount Speaker,TOA H1 2-way Interior Speaker, Wall / Ceiling Mount,TOA FB120B / FB120W Subwoofer speaker,TOA F-2000WTWP Weatherproof 60w 100v line full range,F-1300WTWP 30w 100v line weatherproof full range,TOA F-1300BT Wide Dispersion Two Way Speaker,TOA BS-678 Box Cabinet Speaker,6W 100V Box Cabinet Speaker,6W 100V Line Speaker With Attenuator,seal,Mechanical Parts,Heat Insulator,Electrical insulation parts,Mixer Power Amplifier,Multichannel Power Amplifier,Color Dome Camera,Fullrange-/Mid-High Loudspeaker,C O M PACT FULL-RANGE SYSTEM,2 way Active Speaker,3 way Line Array Speaker,2 way Loudspeaker,
