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Ho tloha ho Raw Material Ho ea Marulelong: Kamoo Aluminium Sheets e Etsoang Kateng

Maikutlo: 0     Mongoli: Nako ea Phatlalatso ea Mohlophisi oa Sebaka: 2025-09-02 Tšimoloho: Sebaka

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Matlapa a aluminium a qala ka bauxite e tala. Thepa ena e fetoha aluminium ka mehato e mengata. Ts'ebetso e kenyelletsa ho hula, ho hloekisa, ho lahla, ho roala, ho roala, ho penta le ho hlahloba. Matlakala ana a kgethehile hobane ha a ruse. Li khanya ebile li bonahatsa khanya ea letsatsi. Sena se thusa ho boloka ntlo ea hau e pholile.

U fumana melemo ena:

  • Ha li ruse, kahoo li sebetsa hantle libakeng tse mongobo

  • Li bobebe, kahoo ntlo ea hau ha e na boima bo bongata

  • Li boloka matla hobane li bonahatsa khanya ea letsatsi

  • Li bonolo ho li bōpa le ho li apara, 'me u ka li khetha mekhoeng e mengata

Ho rulela ka aluminium ho fana ka khetho e matla le e tenyetsehang bakeng sa malapa a kajeno.


Lintlha tsa bohlokoa

  • Matlapa a aluminium a qala e le bauxite. Bauxite e fetoloa alumina. Joale, alumina e fetoha aluminium e sebelisa electrolysis. Sena se etsa hore maqephe a be matla. E boetse e li thusa ho hanela mafome.

  • Ho rulela ka aluminium ho bobebe ka boima. Sena se etsa hore ho be bonolo ho kenya mehaho. E boetse e theola boima ba mohaho. Bobebe bo thusa ho boloka matla ka ho tlola khanya ea letsatsi.

  • Liaparo tse khethehileng li sireletsa maqephe a marulelo a aluminium. Anodizing le lipente tse khethehileng li thibela boemo ba leholimo ho ba ntša kotsi. Liaparo tsena li thusa lipampiri hore li tšoarelle nako e telele. Ba boetse ba boloka maqephe a shebahala hantle.

  • Taolo ea boleng ke ea bohlokoa haholo ha ho etsoa maqephe ana. Letlapa le leng le le leng le hlahlojoa hore na ho na le mathata. Sena se thusa ho fumana mefokolo leha e le efe. Ke lishiti tse ntle feela tse eang ho bareki.

  • Ho rulela ka aluminium ho molemo bakeng sa tikoloho. E ka sebelisoa hape ka makhetlo a mangata. Sena se fokotsa litšila. E boetse e sebelisa matla a fokolang ho feta ho etsa lisebelisoa tse ncha.


Lisebelisoa tse so fetoloe

Lisebelisoa tse so fetoloe

Ho ntšoa ha Bauxite

Mokhoa ona o qala ka bauxite. Bauxite ke lefika le lefubelu le fumanehang haufi le mobu. Basebetsi ba merafong ba e epa mekoting e meholo e bulehileng. Lejoe lena le na le aluminium oxide ka hare. Aluminium oxide e hlokahala bakeng sa ho rulela maqephe.

Na u ne u tseba?

  • Ho etsoa lithane tse ka bang limilione tse 380 tsa bauxite selemo le selemo.

Bauxite e ntle e etsa marulelo a matla. Haeba bauxite e hloekile, marulelo a nka nako e telele. Bauxite e hloekileng e thusa tšepe ho hanela mafome le ho lula e le matla.

Ho Hloekisa Alumina

Kamora ho rafa, bauxite e tlameha ho hloekisoa ho fumana alumina. Mokhoa oa Bayer o sebelisetsoa sena. Ntlha ea pele, bauxite e siloa ebe e tsoakoa le sodium hydroxide. Sena se etsa mokelikeli o teteaneng o bitsoang slurry. Joale, motsoako o futhumetse ebe o kenngoa tlas'a khatello. Sodium hydroxide e kopana le aluminium oxide. Sena se etsa hore sodium aluminate.
Mehato ea mantlha ea ho hloekisa ke ena:

  1. Bauxite e silwa hore e be seretse se setle ka tshilo.

  2. The slurry e kopane le caustic soda ka mocheso o phahameng le khatello.

  3. Lehlabathe le seretse lia hlatsuoa ebe lia tlosoa.

  4. Likristale tsa aluminium trihydrate li theha ho tsoa tharollong.

  5. Likristale li futhumatsoa hoo e ka bang 1000 ° C ho fumana alumina.
    Ho hlokahala alumina e hloekileng ho etsa lilakane tsa marulelo. Haeba u tlōla mehato kapa u sebelisa bauxite e mpe, marulelo a ke ke a ba molemo.

Tlhahiso ea Aluminium

Alumina e fetoloa aluminium ka electrolysis. Mohato ona o sebelisa matla a mangata. Ho nka matla a mangata ho senya likamano tsa lik'hemik'hale. Alumina e kenngoa ka har'a lipitsa tse kholo 'me motlakase o feta ho eona. Sena se arola aluminium ho tsoa ho oksijene.
Aluminium e hloekileng ea hlokahala bakeng sa ho rulela. Aluminium e hloekileng e boloka maqephe a se ke a rusa le ho lutla. Sena se etsa hore marulelo a aluminium a be molemo maemong a leholimo a mongobo le a mabe.
Mohato o mong le o mong o tlameha ho hlahlojoa ho etsa marulelo a matla le a bobebe. Boleng ba marulelo bo itšetlehile ka hore na aluminium e hloekile hakae.


Ho theha Liphanele tsa Metal Roof

Ha u bona aluminium e felileng lesela la marulelo , le shebahala le benya ebile le boreleli. U ka 'na ua ipotsa hore na aluminium e tala e fetoha liphanele tse matla tsa marulelo joang. Karolo ena ea ho etsa marulelo e bōpa tšepe e le hore e ka sireletsa ntlo ea hau nako e telele.

Aluminium ea ho lahla

U qala ka aluminium e qhibilihisitsoeng. U e tšela ka har'a hlobo ho etsa likotoana tse tiileng. Mokhoa oa ho lahla o khetha o fetola boleng le sebopeho sa lesela la marulelo . Mona ke mekhoa e meng e tloaelehileng ea ho lahla le hore na e ntle ka eona ke efe:

Mokhoa oa ho lahla

Melemo

Die Casting

E etsa libopeho tse rarahaneng, e hloka mosebetsi o eketsehileng, 'me e sebelisa tšepe e shoa khafetsa.

Ho Lahlela Lehlabathe

E sebetsa bakeng sa libopeho tse ngata, e ntle bakeng sa likarolo tse kholo, 'me e sebelisetsoa lihlopha tse nyenyane.

Mefuta e sa Feleng

E fana ka ho nepahala ho phahameng le libaka tse boreleli, tse ntle bakeng sa ho etsa maqephe a mangata.

Die casting e molemo ka ho fetisisa ha o hloka maqephe a mangata a tšoanang. Ho lahla lehlabathe ho u thusa ho etsa likarolo tse kholo kapa tse khethehileng. Mefuta e sa feleng e u fa boholo bo boreleli le bo nepahetseng. U khetha mokhoa ho latela hore na u batla lipampiri tse kae le hore na u hloka sebopeho sefe.

Keletso: Haeba u batla chebahalo e boreleli le boholo bo nepahetseng, ho etsa hlobo e sa feleng ke tsela e ntle ea ho etsa lishiti tsa marulelo.

Ho roala ka har'a li-Coils le Sheets

Ka mor'a ho lahla, u phutha aluminium ka maqephe a tšesaane. Lirolara tse boima li hatella tšepe e bataletseng. Mohato ona o etsa hore tšepe e be matla 'me e kobehe. U ka kenya aluminium ka li-coil kapa maqephe a bataletseng. Rolling e o thusa ho khetha botenya bo nepahetseng le chebahalo ea bokaholimo.

U hloka ho tseba botenya bo botle ka ho fetisisa bakeng sa marulelo a hau. Mona ke tafole e bonts'ang botenya bo tloaelehileng bakeng sa likhoele tsa aluminium le maqephe a sebelisoang ho rulela:

Mofuta oa Kopo

Botenya Range

Motseng

.032' kapa .030'

Tsa khoebo

.040'

U boetse u fumana maqephe a aluminium bakeng sa ho rulela le mahlakoreng a bophara ba 0.5 mm ho isa ho 4 mm. Lipampiri tse teteaneng, tse ka bang 3 mm, li tšoara meroalo e boima. Lipampiri tse tšesaane li ntle bakeng sa ho koahela marako le ho khabisa.

  • Lipampiri tsa aluminium bakeng sa marulelo le mahlakoreng hangata li 0.5 mm ho isa ho 4 mm.

  • Lishiti tse teteaneng (tse ka bang 3 mm) li thusa ho phahamisa marulelo.

  • Lipampiri tse tšesaane li sebelisetsoa ho koahela le ho khabisa.

Ho roala li-coil ho u thusa ho etsa lishiti tse telele, esita le. U ka khaola li-coil tsena ho bolelele bofe kapa bofe boo u bo batlang. Esita le botenya bo bolela hore marulelo a hau a tla shebahala a le boreleli 'me a kopane hantle. U ke ke ua ba le ho lutla kapa likheo haeba leqephe le leng le le leng le lumellana.

Tlhokomeliso: Ho roala li-coil ho bohlokoa ho etsa bonnete ba hore lakane e 'ngoe le e 'ngoe ea marulelo e na le botenya le matla a tšoanang.

Anealing Process

Ka mor'a ho phutha, o hloka ho etsa hore aluminium e be bonolo le ho e koba habonolo. U etsa sena ka ho qhekella. Annealing e bolela hore o futhumatsa tšepe mocheso o itseng 'me ue tlohele hore e pholile butle. Sena se fetola bokahare ba tšepe.

Mona ke kamoo annealing e sebetsang kateng:

  1. U futhumatsa aluminium ka holim'a mocheso oa eona oa recrystallization, hangata pakeng tsa 150-250 ° C (302-482 ° F).

  2. Tšepe e tsamaea ka mehato e meraro: ho hlaphoheloa, ho tsosolosa, le ho hōla ha lijo-thollo.

  3. Mokhoa ona o etsa hore aluminium e be bonolo ho kobeha le hore e fokotsehe ka thata.

  • Annealing e khutlisa ho kobeha ha li-alloys tsa aluminium tse sebetsoang ka serame.

  • U sebelisa ho hlaphoheloa, recrystallization, le kgolo ea lijo-thollo ho etsa hore tšepe e be bonolo ho e bōpa.

  • U futhumatsa tšepe ho 150-250 ° C (302-482 ° F) bakeng sa liphello tse ntle ka ho fetisisa.

Ho qhoqhoa ho bohlokoa haholo ha ho etsoa lishiti tsa marulelo. U batla hore likarolo tsa hau tsa marulelo a tšepe li kobehe ntle le ho robeha. Mohato ona o u lumella ho bopa lakane ea marulelo ka mekhoa e fapaneng. U fumana liphanele tse matla tse tšoarellang nako e telele 'me ha li robehe habonolo.

Tlhokomeliso: Haeba u ka tlola annealing, maqephe a hau a marulelo a aluminium a ka senyeha 'me ho thata ho a apara.

Ha u sebelisa casting, rolling, and annealing hammoho, u etsa liphanele tsa marulelo tse matla le tse tenyetsehang. U laola botenya, sebōpeho, le matla mohatong o mong le o mong. Mokhoa ona o hlokolosi o etsa bonnete ba hore marulelo a hau a tla sireletsa ntlo ea hau puleng, moea le letsatsi.


Ho roala ka holim'a metsi

Haeba u batla hore maqephe a hau a marulelo a aluminium a tšoarelle, u lokela ho a sireletsa. Pula, letsatsi le moea li ka senya marulelo a hau. Liaparo tse ka holimo li thusa ho emisa tšenyo ena. Liaparo tsena li eketsa lera le thata ka holimo. Marulelo a hau a fumana tšireletso e betere mme a tšoarella nako e telele.

Anodizing

Anodizing e etsa hore bokaholimo ba maqephe a marulelo a aluminium a be matla. U sebelisa motlakase le bate e khethehileng bakeng sa ts'ebetso ena. Karolo e ka holimo ea tšepe e ba thata haholoanyane 'me ho se bonolo ho ngoapa. Hape ha e ruse habonolo. Aluminium ea anodized e shebahala e benya ebile e boreleli. U ka khetha mebala e fapaneng bakeng sa marulelo a hau.

Keletso: Anodizing e thusa lakane ea hau ea marulelo ho loantša kutu. E boloka marulelo a hau a shebahala a le macha ka lilemo tse ngata.

Lipente tse Sireletsang

Lipente tse khethehileng li fa marulelo a hau tšireletso le ho feta. Lipente tsena li thibela khanya ea letsatsi, pula le litšila. Lipente tse ling li sebetsa hantle ho feta tse ling. Mona ke tafole e bontšang hore na lipente tse tloaelehileng li etsa joang maemong a leholimo a thata:

Mofuta oa Penta

Ts'ebetso ho Liteko tse Potlakileng tsa Boemo ba Leholimo

Kynar (PVDF)

E lula e le matla 'me e boloka' mala oa eona ka mor'a lilemo tse ngata. E sebetsa hantle libakeng tse thata ka lilemo tse fetang 50.

SMP

Ha e tšoarelle nako e telele joalo ka Kynar. E ea nyamela 'me e chalk habonolo haholoanyane.

Polyester

Ha e tšoarelle nako e telele joalo ka Kynar. Ha e hanyetse boemo ba leholimo hape.

U ka boela ua sebelisa liphahlo tsa marulelo a aluminium tse nang le fiber le liphahlo tsa silicone. Liaparo tsena li fana ka tšireletso e eketsehileng:

  • Liaparo tsa marulelo a aluminium tse nang le fiber li etsa lera le sa keneleng metsi. Li thibela metsi le ho thibela mafome.

  • Liaparo tsa silicone li lula li le bonolo. Ha li petsole ha boemo ba leholimo bo fetoha. Sena se boloka marulelo a hau a le matla maemong a leholimo a chesang le a batang.

  • Liaparo tsa Acrylic le polyurethane li thusa ho sireletsa khahlanong le boemo ba leholimo bo bobe.

Marulelo a mang a aluminium a nang le fiber a bonahatsa ho fihla ho 90% ea mahlaseli a letsatsi. Sena se boloka marulelo a hau a bata 'me se thibela tšenyo ea UV. Marulelo a hau a nka nako e telele mme a boloka matla.

Tlhokomeliso: Ho sebelisa lintja tse nepahetseng ho etsa hore maqephe a hau a marulelo a aluminium a be matla. Marulelo a hau a ka sebetsana le boemo bo bobe ba leholimo. U sireletsa lehae la hao le chelete ea hao.

Tlhaloso ea Leqephe la marulelo

Tlhaloso ea Leqephe la marulelo

Ha u fihla sethaleng sa profiling, u fa leqephe le leng le le leng la marulelo sebopeho sa lona sa ho qetela le boholo. Mohato ona o etsa bonnete ba hore marulelo a hau a lumellana hantle 'me a shebahala hantle. U qala ka likhoele tse kholo tsa aluminium. Mechini e fepa likhoele tsena ka thepa e khethehileng e li sehang le ho li bōpa.

Ho Seha le ho Bopa

U lokela ho seha lakane ka 'ngoe ka boholo bo nepahetseng pele u e etsa. Mohato ona o sebelisa mechine e kang lithapo tsa laser kapa li-shears. Lisebelisoa tsena li u thusa ho hloeka, ho otloloha le ho fokotsa litšila. Mona ke kamoo ho seha ka nepo le ho etsa sebopeho ho thusang morero oa hau oa ho rulela:

  1. Ho seha: U sebelisa mechine ho khaola tšepe ka boholo bo nepahetseng boo u bo hlokang. Sena se boloka litšila li le tlase 'me se etsa bonnete ba hore karolo e' ngoe le e 'ngoe e ea lekana.

  2. Ho kobeha: U bopa tšepe hore e be profaele e nepahetseng ka ho sebelisa mariki kapa mechini ea CNC. Mohato ona o fa leqephe le leng le le leng la marulelo matla le mokhoa oa lona.

Keletso: Ho itšeha ka nepo le ho bōptjoa ho thusa marulelo a hau ho kopana ntle le likheo. Sena se thibela metsi ho tsoa 'me se etsa hore marulelo a hau a tšoarelle nako e telele.

Roll Forming bakeng sa Profiles

Kamora ho itšeha, o sebelisa mochini o etsang roll ho theha profil ea ho qetela. U fepa maqephe a bataletseng ka har'a mochini. Lirolara li kobeha le ho bopa tšepe ha e ntse e feta. Ts'ebetso ena e u fa mekhoa e fapaneng, joalo ka Longspan, Steptiles, le Metcopo.

  • Lishiti tse telele li pharaletse ebile ho bonolo ho li kenya. U boloka nako le chelete ka manonyeletso a fokolang.

  • Li-steptile li bobebe ebile li matla. Moqapi oa bona o eketsa tšehetso e eketsehileng, e sebetsang hantle bakeng sa malapa.

  • Lipampiri tsa Metcopo li shebahala li le ntle ebile li tšoarella nako e telele. Ba sebetsana le boemo bo bobe ba leholimo 'me ba boloka marulelo a hau a sireletsehile.

U ka bona hore na mechini e etsang roll e sebetsa joang tafoleng e ka tlase:

Lebelo (m/min)

Botenya (mm)

Ka holimo ho 10-15

0.3 - 1.2

Mechine ena e sebetsa ka potlako 'me e sebetsana le botenya bo bongata. U fumana lipampiri tsa marulelo tse tšoanang le tse loketseng ho kenngoa ka potlako. Ha u sebelisa profil e nepahetseng, u etsa hore morero oa hau oa marulelo o be bonolo le o ka tšeptjoang haholoanyane.


Taolo ea Boleng le Thomello

Tlhahlobo

U batla hore ntlo ea hau e tšoarelle nako e telele. Tlhahlobo e hlahloba leqephe le leng le le leng pele e tsoa fekthering. Basebetsi ba batla mathata a ka senyang marulelo a hau. Ba sebelisa lisebelisoa tse khethehileng le mahlo a bona ho fumana litaba. Tafole e ka tlase e bontša mathata a tloaelehileng:

Mofuta oa Sekoli

Tlhaloso

Tharollo

Ho korotla le ho hohla

Tšenyo ea boemo bo holimo ka lebaka la ho ts'oaroa kapa ho kenya ka mokhoa o sa lokelang.

Sebelisa pente kapa pene ea ho ama bakeng sa mengoapo e menyenyane; fetola liphanele bakeng sa li-gouges tse tebileng.

Khoho

Ho senyeha ka lebaka la maemo a tikoloho, ho kenyeletsoa le kutu e ka tlaase.

Etsa bonnete ba hore u na le liphaephe tse loketseng, sebelisa thepa e loketseng libakeng tse lebōpong la leoatle, 'me u bue ka mathōko a sehiloeng hantle.

Litšepe tse sa Tšoaneng

Litšebelisano tse mpe lipakeng tsa litšepe tse fapaneng tse bakang kutu.

Tseba le ho koala likheo, u khutlisetse liphanele tse senyehileng, 'me u tlose litlolo tse sireletsang.

Basebeletsi ba hlahloba hore na ha ba na scuffing le ho ngoapa. Ba lokisa mekhoro e menyenyane ka pente. Haeba ho na le matšoao a tebileng, ba sebelisa liphanele tse ncha. Corrosion e etsahala haeba lesela le fokola kapa lilakane li le haufi le leoatle. U hloka ho roala ka matla ho emisa sena. Litšepe tse sa tšoaneng li ka etsa mafome. U tlameha ho koala likheo ebe u khetha lisebelisoa tse nepahetseng. Ho hlahloba ka hloko ho boloka marulelo a hau a aluminium a bolokehile ebile a le matla.

Keletso: Kamehla u botse tlaleho ea boleng pele u reka maqephe a marulelo. Sena se o thusa ho qoba mathata hamorao.

Sephutheloana

Ka mor'a ho hlahloba, u batla hore maqephe a hau a marulelo a fihle a sireletsehile. Sephutheloana se setle se boloka lakane e 'ngoe le e 'ngoe e sireletsehile metsing, mengoapo le bofokoli. Lifeme li sebelisa mekhoa e mengata ho sireletsa marulelo a hau:

  • Sebelisa lisebelisoa tse thibelang metsi.

  • Kenya oli pakeng tsa lishiti hore li se ke tsa khomarela kapa tsa ngoapa.

  • Koala liphutheloana ka tepi e matla.

  • Eketsa balebeli ba hukung le likhoele tsa tšepe bakeng sa polokeho e eketsehileng.

Basebetsi ba phuthela leqephe ka leng ka hloko. Ba sebelisa oli ho boloka maqephe a boreleli. Lithapo tsa tšepe li tšoara maqephe hammoho. Balebeli ba sekhutlong ba emisa ho qhekella. Mehato ena e thusa lishiti tsa hau tsa aluminium hore li fihle lapeng la hau li le maemong a matle.

Tlhokomeliso: Ho paka hantle ho u bolokela chelete. Ha ho hlokahale hore u nke sebaka sa maqephe a senyehileng a marulelo.

U fumana marulelo a matla, a hloekileng, 'me a se a loketse ho sebelisoa ha u latela mehato ena.

U ithutile hore maqephe a marulelo a aluminium a qala e le bauxite. Li ba matla 'me li khona ho sebetsana le boemo bo bobe ba leholimo. Marulelo ana a tšoarella nako e telele 'me a thusa ho boloka matla.

Ho rulela ka aluminium ho molemo bakeng sa polanete. U ka e sebelisa hape khafetsa. Sena se bolela hore lithōle tse fokolang li ea litsing tsa lithōle. Hoo e ka bang marulelo 'ohle a aluminium a tsoa linthong tse tsosolositsoeng. Sena se thusa ho theola tšilafalo. Aluminium e bobebe, kahoo mehaho e hloka tšehetso e fokolang. Sena se boloka lisebelisoa le matla ha u falla le ho beha marulelong. Aluminium e boetse e bonahatsa khanya ea letsatsi. Sena se boloka meaho e pholile ebile e boloka matla. E boetse e thusa ho fokotsa likhase tse futhumatsang lefatše.

Thepa ea ho Rulela

Karolelano ea Nako ea Bophelo

Asphalt Shingles

20-30 lilemo

Aluminium Roofing

Lilemo tse 50-70 kapa ho feta

Borulelo ba tšepe

E bapisoa le aluminium (lilemo tse 50-70)

  • Ho sebelisa aluminium hape ho sebelisa matla a fokolang haholo ho feta ho etsa aluminium e ncha.

  • Hoo e ka bang maqephe ohle a marulelo a aluminium a entsoe ka thepa e nchafalitsoeng.

U thusa lefats'e mme u fumane marulelo a tšoarellang lilemo tse ngata. Lipampiri tsa marulelo a tšepe ke khetho e bohlale le e matla.


LBH

Ke eng e etsang hore masela a marulelo a aluminium a fapane le a mang a tšepe a marulelong?

Lipampiri tsa aluminium ha li ruse joaloka tse ling. Li bobebe ho feta lishiti tsa tšepe. Lipampiri tsena li tlotsa khanya ea letsatsi hantle. U ka kenya le ho li bōpa habonolo.

Mokhoa oa ho etsa lipampiri tsa marulelo o nka nako e kae?

Lifeme tsa morao-rao li etsa lishiti tsa marulelo ka potlako. Ho nka lihora tse 'maloa feela ho tloha ho lahla ho ea ho ho roala. Nako e fetoha ka botenya le sebopeho sa leqephe ka leng.

A na u ka sebelisa lishiti tsa marulelo tsa aluminium ka mor'a ho li sebelisa?

U ka boela ua sebelisa maqephe a marulelo a aluminium hangata. Ho tsosolosa ho sebelisa matla a fokolang ho feta ho etsa a macha. Ho khetha marulelo a tšepe a sebelisoang hape ho thusa tikoloho.

Ke lintlha life tseo u ka li khethang bakeng sa lakane ea hau ea marulelo?

U ka khetha li-profiles tsa Longspan, Steptiles, kapa Metcopo. Boemo bo bong le bo bong bo fa marulelo a hau ponahalo e khethehileng le matla. Mechini e etsang roll e etsa hore ho be bonolo ho kenya maqephe.

Liaparo li sireletsa maqephe a hau a marulelo a aluminium joang?

Liaparo tse kang anodizing le lipente tse khethehileng li sireletsa maqephe a hau. Li emisa mafome 'me li thibela khanya ea letsatsi. Marulelo a hau a nka nako e telele mme a lula a le matla maemong a leholimo a mabe.

Shandong Sino Steel

Shandong Sino Steel Co., Ltd. ke k'hamphani e felletseng ea tlhahiso le khoebo ea tšepe. Khoebo ea eona e kenyelletsa tlhahiso, ts'ebetso, kabo, thepa le thepa le kantle ho naha ea tšepe.

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WhatsApp: +86- 17669729735
Mohala: +86-532-87965066
Fono: + 86- 17669729735
Lengolo-tsoibila:  sinogroup@sino-steel.net
Eketsa: Zhengyang Road 177#, Setereke sa Chengyang,Qingdao,Chaena
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