Lub geomembrane yog cov khoom siv hluavtaws, feem ntau yog ua los ntawm cov yas lossis elastomeric polymers, uas yog siv los tswj kev txav ntawm cov kua lossis cov pa roj hauv kev siv geotechnical thiab ib puag ncig. Lawv feem ntau yog tsim los rau cov ntawv thov xws li kev ntim khoom, hauv ob sab phlu, lossis dej tsis sib haum, thiab feem ntau yog siv rau hauv cov chaw pov tseg, cov pas dej hauv pas dej, thiab hauv cov txheej txheem tswj dej.
Tuam Tshoj Geomembrane Hoobkas & Cov neeg muag khoom
Peb yog cov chaw tsim khoom tshwj xeeb hauv siab - zoo geomembranes, dav siv hauv cov chaw pov tseg, cov dej khib nyiab, thiab kev kho dej khib nyiab. Peb cov khoom yog tsim los ntawm cov khoom siv ruaj khov xws li siab- ntom polyethylene (HDPE), polyvinyl chloride (PVC), thiab ethylene propylene diene monomer (EPDM), muab cov impermeability zoo heev, UV tsis kam, thiab ntev - lub sij hawm stability. Peb muab cov nqi- cov kev daws teeb meem zoo thiab kho tau rau ob qho tib si hauv tsev thiab thoob ntiaj teb kev lag luam. Xaiv peb ua kom koj tau txais kev ntseeg siab, ib puag ncig tus phooj ywg geomembrane cov khoom uas ua tau raws li koj qhov kev xav tau.
Ntau yam EPDM Geomembrane Solutions rau Cov Haujlwm
EPDM geomembranes muab tau yooj yim, durability, thiab zoo heev tiv thaiv UV, tshuaj, thiab huab cua huab cua. Qhov zoo tshaj plaws rau cov dej reservoirs, landfills, thiab mining, lawv muaj kev txhim khu kev qha impermeability thiab ntev -lub sij hawm kev ua tau zoo rau ntau yam dej num, xyuas kom meej tus nqi-zoo thiab eco-cov phooj ywg cov kev daws teeb meem.
Siab -Kev ua tau zoo PVC Geomembrane
Peb cov qib siab -PVC geomembranes muaj kev ua tau zoo dua qub, ua haujlwm ntev, thiab ua haujlwm zoo rau cov tshuaj, UV raug, thiab kub hloov pauv. Siv rau hauv cov chaw pov tseg, cov dej hauv dej, thiab cov pas dej, cov geomembranes no muab cov dej tsis zoo thiab kev ua haujlwm ntev -. Yooj yim rau nruab thiab tswj xyuas, lawv ua kom muaj kev ruaj ntseg thiab kev tiv thaiv ib puag ncig, xa cov nqi ua haujlwm thiab kev ruaj khov.
Tsawg Linear Density Polyethylene Geomembrane (LLDPE)
LLDPE geomembranes muab kev yooj yim heev, tshuaj lom neeg ua haujlwm, thiab lub zog tawg. Lawv muab kev ruaj ntseg waterproofing thiab UV tsis kam nyob rau hauv daim ntaub ntawv xws li landfill liners, dej reservoirs, thiab mining ua hauj lwm. Nrog ntev - lub sij hawm durability thiab yooj yim installation, LLDPE ua kom muaj kev ruaj ntseg thiab kev tiv thaiv ib puag ncig.
HDPE Geomembrane - Waterproof Anti-UV Pond Liner
HDPE geomembranes muab cov dej tsis zoo thiab UV tiv thaiv, ua rau lawv haum rau hauv cov pas dej. Nrog lub zog tensile siab thiab ua haujlwm ntev, lawv muab sijhawm ntev - tiv thaiv kev xau thiab kev puas tsuaj ib puag ncig. HDPE geomembranes kom ntseeg tau tias muaj kev ruaj ntseg, kev teeb tsa yooj yim, thiab kev saib xyuas tsawg.
Cov ntsiab lus tseem ceeb cuam tshuam rau lub neej ntev ntawm Geomembranes
Lub durability ntawm geomembranes yog cuam tshuam los ntawm ntau yam tseem ceeb, suav nrog kev xaiv cov khoom, ib puag ncig, thiab kev teeb tsa zoo. Kev xaiv ntawm polymer, xws li HDPE, LLDPE, lossis PVC, cuam tshuam rau cov tshuaj tiv thaiv, UV hluav taws xob, thiab kub hloov pauv. UV stabilizers txhim khu kev tiv thaiv rau degradation los ntawm ntev raug rau lub hnub ci, thaum tshuaj tiv thaiv kom ntseeg tau tias geomembranes tuaj yeem tiv taus ib puag ncig hnyav. Thermal stability yog qhov tseem ceeb rau kev tswj xyuas kev ncaj ncees nyob rau hauv qhov kub thiab txias, thiab lub zog tensile siab, puncture tsis kam, thiab saj zawg zog tiv thaiv kev puas tsuaj thaum lub sij hawm installation thiab siv. Thaum kawg, kev teeb tsa kom raug, suav nrog kev sib txuas thiab kev sib khi, yog qhov tseem ceeb rau kev ua kom lub sijhawm ntev - kev ua tau zoo thiab kev cia siab rau hauv cov ntawv thov xws li kev pov tseg, cov dej khib nyiab, thiab kev kho dej khib nyiab.
Kev Ntsuas Tus Nqi ntawm Geomembrane Liner Systems
Tus nqi ntawm geomembrane liner nyob ntawm ntau yam, nrog rau cov khoom siv, tuab, qhov loj me, thiab qhov yuav tsum tau ua. Cov ntaub ntawv xws li HDPE, LLDPE, thiab PVC muab cov ntsiab lus sib txawv raws li lawv cov kav ntev, tshuaj tiv thaiv, thiab UV stability. Tsis tas li ntawd, yam xws li kev npaj qhov chaw, nqi zog, thiab qhov nyuaj ntawm kev teeb tsa tuaj yeem cuam tshuam rau tag nrho cov nqi ntawm qhov project. Txawm hais tias siab - cov ntaub ntawv kev ua tau zoo yuav muaj tus nqi pib dua, lawv feem ntau muab sijhawm ntev - txuag nyiaj los ntawm kev txo qis txij nkawm thiab kev pab cuam ntev dua. Rau qhov zoo tshaj tus nqi-kev ua tau zoo, nws yog ib qho tseem ceeb kom sib npaug xaiv cov khoom siv nrog rau qhov yuav tsum tau ua thiab ib puag ncig.
Textured thiab Smooth Geomembrane
Geomembranes muaj nyob rau hauv ob qho tib si textured thiab du nto, txhua qhov muab cov txiaj ntsig tshwj xeeb nyob ntawm daim ntawv thov.
Smooth Geomembrane: Muab cov khoom sib xws uas yooj yim rau nruab thiab vuam, feem ntau yog siv rau hauv cov ntawv thov uas yuav tsum muaj qhov sib txhuam qis, xws li cov pas dej, cov pas dej, thiab cov chaw pov tseg uas qhov kev pheej hmoo ntawm zawv zawg lossis kev sib txhuam yog tsawg. Lawv feem ntau raug xaiv rau lawv qhov yooj yim ntawm kev tuav thiab tus nqi- ua tau zoo.
Textured Geomembrane: Nta ntawm qhov chaw ntxhib uas muab kev sib txhuam ntxiv thiab yog qhov zoo rau cov ntawv thov nrog cov nqes hav lossis thaj chaw uas muaj kev ruaj ntseg thiab tsis kam mus rau kev txav yog qhov tseem ceeb. Textured geomembranes feem ntau yog siv rau hauv daim ntawv thov xws li npog npog, qhov chaw siab tshaj, thiab kev txhim kho av, qhov twg ntxiv tuav thiab kev sib txhuam yog tsim nyog los tiv thaiv slippage thiab txhim kho kev ua tau zoo.
5 Ntsiab Geomembrane Vuam Txoj Kev
Vuam yog cov txheej txheem tseem ceeb rau kev ua kom muaj kev ncaj ncees thiab kev ua neej ntev ntawm kev teeb tsa geomembrane. Cov nram qab no yog tsib txoj kev vuam tseem ceeb uas feem ntau siv hauv cov ntawv thov geomembrane: Txhua txoj kev vuam muaj qhov zoo sib xws, thiab kev xaiv nyob ntawm cov khoom siv, ib puag ncig, qhov project nplai, thiab cov kev xav tau ntawm kev teeb tsa.
Thermoplastic Vuam (Kub-Wedge Vuam)
Txoj kev no siv cov rhuab cua sov kom soften cov npoo ntawm geomembrane, uas tom qab ntawd nias ua ke nyob rau hauv siab. Nws yog qhov zoo rau kev tsim cov seams muaj zog, ruaj khov hauv ob qho tib si du thiab textured geomembranes, feem ntau siv hauv cov chaw pov tseg thiab cov chaw ntim khoom.
Extrusion Vuam
Extrusion welding yuav tsum siv lub tshuab vuam los siv cov yas molten raws lub seam ntawm ob daim ntawv geomembrane. Cov khoom siv muab tub lim, feem ntau yog tib yam polymer li geomembrane, yog extruded los tsim ib daim ntawv cog lus muaj zog. Txoj kev no yog siv los kho thiab txhim kho cov seams hauv geomembranes thiab yog qhov zoo tagnrho rau cov ntawv thov uas xav tau loj - nplai kev teeb tsa.
Fusion Vuam
Fusion vuam cuam tshuam ncaj qha fusion ntawm geomembrane npoo siv cua sov, siab, thiab qee zaum lub tshuab nqus tsev. Cov npoo yog yaj thiab nias ua ke los tsim ib qho kev sib txuas, homogeneous daim ntawv cog lus. Txoj kev no feem ntau yog siv rau hauv kev teeb tsa cov kab rau cov ntawv loj -, xws li cov pas dej lossis cov chaw pov tseg.
Kub-Air Vuam
Hauv cov cua kub- vuam, cov npoo geomembrane yog cua sov los ntawm lub dav hlau ntawm cov cua kub, ces nias ua ke los tsim ib daim ntawv cog lus. Txoj kev no feem ntau yog siv los koom nrog geomembranes ua los ntawm cov ntaub ntawv xws li PVC thiab yog qhov zoo tagnrho rau cov ntawv thov uas muaj qhov siab precision thiab siab - vuam ceev yuav tsum tau.
Ultrasonic Vuam
Ultrasonic welding siv siab- zaus ultrasonic vibrations los ua kom sov ntawm lub seam ntawm ob lub geomembranes. Kev sib txhuam kub ua rau cov khoom tawg thiab sib txuas ua ke. Txoj kev no feem ntau yog siv rau cov geomembranes nyias thiab muaj cov txheej txheem ceev, huv si rau kev koom nrog cov ntawv me me, kev teeb tsa zoo.
Taw qhia rau Geomembrane: Hom, Siv & Daim Ntawv Thov
Geomembranes yog cov khoom tseem ceeb hauv ib puag ncig niaj hnub, pej xeem, thiab kev lag luam engineering. Los ntawm muab kev ruaj ntseg waterproofing thiab ntim, geomembranes ua lub luag haujlwm tseem ceeb hauv kev tiv thaiv ecosystems, tswj cov dej hauv dej, thiab ua kom muaj kev nyab xeeb ntawm tib neeg thiab ib puag ncig. Kev xaiv hom thiab cov khoom siv yog nyob ntawm qhov kev xav tau tshwj xeeb, ib puag ncig, thiab cov qauv kev cai.
Landfills:Txhawm rau tiv thaiv kom tsis txhob muaj dej paug tawm ntawm cov av ib puag ncig thiab dej hauv av.
Kev Tswj Dej:Siv los ua cov pas dej hauv pas dej, cov pas dej, thiab cov kav dej los tiv thaiv dej.
Mining:Siv cov tailings cov pas dej thiab cov chaw ntim khoom rau cov tshuaj los yog pov tseg.
Kev kho dej khib nyiab:Rau hauv ob sab phlu, lagoons, thiab biogas ntim.
Ua liaj ua teb:Siv cov kwj dej thiab cov pas dej kom tswj tau cov dej theem thiab tiv thaiv cov dej ntws.
Kev sib piv ntawm Geosynthetic Clay Liner vs Geomembrane
Ob leegGeosynthetic Clay Liners (GCLs)thiabGeomembranesyog dav siv nyob rau hauv ib puag ncig thiab civil engineering tej yaam num rau kev tuav thiab waterproofing lub hom phiaj. Txawm li cas los xij, lawv txawv ntawm cov khoom siv, kev siv, kev teeb tsa, thiab cov yam ntxwv ua haujlwm.
Khoom siv
GCL: Ua los ntawm bentonite av nplaum ntawm geotextiles, muab impermeability thaum hydrated.
Geomembrane: Ua los ntawm hluavtaws polymers (HDPE, PVC), muab tshuaj lom neeg thiab UV tsis kam.
Waterproofing
GCL: Cov dej tuav tau zoo, tsim nyog rau cov chaw pov tseg thiab cov pas dej.
Geomembrane: Tsis tshua muaj dej tsis zoo, zoo tagnrho rau kev ntim hauv cov dej khib nyiab, mining, thiab landfills.
Lub zog & Durability
GCL: Tsis muaj zog thiab muaj kev cuam tshuam ntau rau kev puas tsuaj.
Geomembrane: Muaj zog dua, ruaj khov dua, thiab tiv taus punctures thiab UV degradation.
Kev teeb tsa
GCL: Yooj yim rau lis, yuav tsum muaj dej kom qhib impermeability.
Geomembrane: Yuav tsum muaj kev txhim kho meej, feem ntau cuam tshuam nrog vuam.
Daim ntawv thov
GCL: Siv nyob rau hauv qis - ib puag ncig kev ntxhov siab xws li cov chaw pov tseg thiab cov pas dej hauv pas dej.
Geomembrane: Siv rau siab - cov ntawv thov kev ntxhov siab, suav nrog kev khawb av, kev kho dej khib nyiab, thiab kev ntim loj -.
Nqi
GCL: Tus nqi ntau dua - zoo nrog kev teeb tsa yooj yim dua.
Geomembrane: kim dua vim cov khoom siv thiab kev teeb tsa nyuaj.
Environmental Impact
GCL: Ntau tus phooj ywg ib puag ncig, ua los ntawm cov ntaub ntawv ntuj.
Geomembrane: Tsawg dua eco-tus phooj ywg, ua los ntawm cov khoom siv hluavtaws, tab sis qee qhov tuaj yeem rov ua dua.
Cov khoom tseem ceeb thiab kev ntsuas kev ua tau zoo ntawm Geomembranes
Geomembranes yuav tsum muaj impermeability, tshuaj tiv thaiv, UV stability, tensile lub zog, yooj, puncture kuj, thermal stability, thiab weldability los xyuas kom meej durability thiab zoo nyob rau hauv cov ntaub ntawv ntim.
Impermeability
Geomembranes feem ntau yog tsim los muab kev tiv thaiv rau cov kua dej thiab cov pa roj, uas muaj cov yam ntxwv ntawm cov permeability tsawg uas tiv thaiv kev nkag mus rau hauv cov ntawv thov xws li cov khib nyiab pov tseg, cov dej pov tseg, thiab cov mining ntim.
Tshuaj tiv thaiv
High -kev ua tau zoo geomembranes, xws li HDPE thiab PVC, muaj kev tiv thaiv rau ntau yam tshuaj, ua rau lawv tsim nyog rau kev lag luam xws li kev kho dej khib nyiab, roj thiab roj, thiab cov khoom siv phom sij.
UV thiab huab cua Resistance
Kev raug tshav ntuj, hluav taws xob UV, thiab huab cua huab cua tuaj yeem degrade qee cov ntaub ntawv geomembrane thaum lub sijhawm. Advanced geomembranes, tshwj xeeb tshaj yog HDPE, tau txhim kho nrog UV stabilizers ntev -kev ua haujlwm nyob rau hauv ib puag ncig sab nraum zoov.
Tensile zog
Lub zog tensile hais txog lub peev xwm ntawm geomembrane kom tiv taus ncab lossis deformation hauv kev ntxhov siab. Cov cuab yeej no yog qhov tseem ceeb rau cov ntawv thov cuam tshuam nrog kev thauj khoom dynamic, xws li txoj kab nqes stabilization thiab mining ntim.
Flexibility thiab elongation
Geomembranes nrog kev hloov pauv siab tuaj yeem ua raws li qhov tsis sib xws thiab tiv thaiv kev tawg. Elongation yog hais txog cov khoom muaj peev xwm ncav cuag yam tsis muaj kev tawg, uas yog ib qho tseem ceeb rau kev ua kom ruaj khov nyob rau hauv ib puag ncig nyuaj.
Puncture thiab Tear Resistance
Lub peev xwm los tiv thaiv punctures thiab kua muag thaum lub sij hawm installation thiab siv yog ib qho tseem ceeb, tshwj xeeb tshaj yog nyob rau hauv tej yaam num uas muaj xws li ntxhib los yog pob zeb substrates, xws li mining thiab landfill daim ntaub ntawv.
Thermal stability
Geomembranes yuav tsum ua raws li qhov kub thiab txias, los ntawm huab cua kub mus rau qhov txias txias. Cov ntaub ntawv zoo li HDPE thiab LLDPE muab cov thermal stability zoo, ua kom ntev - kev ua tau zoo nyob rau hauv ntau yam huab cua.
Weldability
Geomembranes feem ntau welded ua ke los tsim cov teeb meem tsis tu ncua. Qhov yooj yim ntawm vuam thiab lub zog ntawm cov welded seams yog qhov tseem ceeb heev rau kev ua kom cov pa tawm - pov thawj installation.
Geomembrane yog dab tsi
Dab tsi yog qhov tseem ceeb ntawm kev siv geomembrane?
Nws yog tsuas yog siv nyob rau hauv waterproofing thiab seepage tiv thaiv tej yaam num, feem ntau pom nyob rau hauv landfills, dej phwj kho nroj tsuag, reservoirs, pas dej, thiab underground cia chaw. Nws lub luag haujlwm tseem ceeb yog txhawm rau tiv thaiv cov kua dej, roj av, lossis cov pa phem, ua kom muaj kev nyab xeeb ntawm ib puag ncig thiab kev siv dej kom zoo.
Dab tsi yog cov khoom siv rau Geomembrane?
HDPE (High -Density Polyethylene):Resistant rau chemical corrosion thiab UV hluav taws xob, dav siv nyob rau hauv landfill thiab mine cais.
LDPE (Low-Density Polyethylene):Tus mos mos, haum rau kev tiv thaiv ib puag ncig thiab dej tsis zoo.
PVC (Polyvinyl Chloride):Muaj qhov yooj yooj yim thiab weldability, feem ntau siv hauv kev tswj dej.
EPDM (Ethylene Propylene Dioxide):Haum rau thaj chaw uas muaj qhov kub thiab txias hloov pauv, xws li cov chaw kho dej.
Yuav ua li cas xaiv lub thickness thiab specifications ntawm geomembrane?
Thickness xaiv feem ntau nyob ntawm qhov siab, ib puag ncig, thiab xav tau impermeability ntawm daim ntawv thov. Piv txwv li, landfills feem ntau siv HDPE daim nyias nyias nrog lub thickness ntawm 0.75mm mus rau 2mm, thaum lub reservoir los yog pas dej yuav xaiv rau nyias nyias. Kev xaiv tshwj xeeb yuav tsum tau txiav txim siab raws li qhov project loj, hom av, thiab kua cia siab.
Yuav ua li cas rau nruab Geomembrane?
Kev npaj:Ua ntej, ntxuav qhov chaw tsim kho, xyuas kom cov av yog theem thiab tshem tawm cov khoom ntse xws li pob zeb thiab cov cag ntoo.
Txheej:Tso lub Geomembrane membrane rau hauv av, kom nws tiaj tus thiab taut.
Txuas thiab Vuam:Txuas cov daim nyias nyias rau ib leeg siv cov vuam kub los yog tus kheej - cov nplaum nplaum raws li xav tau, kom tsis muaj qhov khoob.
Kev soj ntsuam zoo:Tshawb xyuas qhov kev txhim kho zoo ntawm daim nyias nyias, kom ntseeg tau tias tsis muaj qhov tawg lossis tawg. Ua ib qho kev ntsuas dej yog tias tsim nyog.
Xa koj cov lus nug hnub no
-
![Carbon Dub HDPE Liner]()
Carbon Dub HDPE LinerThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![UV Resistant HDPE Geomembrane]()
UV Resistant HDPE GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![ISO Certified Geomembrane]()
ISO Certified GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![ASTM HDPE Geomembrane]()
ASTM HDPE GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![GM13 HDPE Geomembrane]()
GM13 HDPE GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![GRI HDPE Geomembrane]()
GRI HDPE GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![Geosynthetic Geomembrane]()
Geosynthetic GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![Geomembrane liner]()
Geomembrane linerThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![Lub impervious Geomembrane]()
Lub impervious GeomembraneThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![High Density Polyethylene Hdpe Liners]()
High Density Polyethylene Hdpe LinersThickness: 0.30-3 hli. Hom: siab ceev polyethylene hdpe liner. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
-
![Hdpe Textured Geomembrane]()
Hdpe Textured GeomembraneThickness: 0.30-3 hli. Hom: hdpe textured geomembrane. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8 meters.
-
![Geomembranes Rau Lub Vaj Pas Dej]()
Geomembranes Rau Lub Vaj Pas DejThickness: 0.30-3 hli. Hom: geomembrane rau kev tsim kho. Khoom siv: 100% Virgin HDPE. UV Resistant nrog 2-3% Carbon Dub. Txuj: GRI GM13 tau ntawv pov thawj / ASTM / ISO / CE. Kev cai dav: 1-8
Peb yog ib qho ntawm cov kws tshaj lij geomembrane tuam ntxhab thiab cov muag khoom hauv Suav teb, tshwj xeeb hauv kev muab cov kev pabcuam zoo tshaj plaws. Peb sov siab txais tos koj rau cov lag luam wholesale siab -qib geomembrane ntawm tus nqi sib tw los ntawm peb lub hoobkas.
