1. Kodi chitoliro cha Penstock n'chiyani?
Chitoliro cha Penstock ndi cha zipangizo zapadera, ndipo malinga ndi tanthauzo la "Malamulo Oyang'anira Chitetezo cha Zipangizo Zapadera", amatanthauza zida zozungulira zomwe zimagwiritsa ntchito mphamvu inayake kunyamula mpweya kapena madzi. Chitolirocho chimatanthauzidwa ngati gasi, mpweya wosungunuka, nthunzi yokhala ndi mphamvu yogwira ntchito yoposa kapena yofanana ndi 0.1MPa (kupanikizika koyezera), kapena madzi oyaka, ophulika, oopsa, owononga omwe ali ndi kutentha kopitilira kapena kofanana ndi kutentha koyenera, ndi mapaipi okhala ndi mainchesi opitilira 25mm.
Mfundo yogwirira ntchito:
Pa chitoliro chimodzi cha Penstock, chimadalira mphamvu yakunja kapena mphamvu yoyendetsera ya chitolirocho kuti chinyamule chitolirocho kuchokera ku gwero la chitoliro cha kupanikizika kupita kumapeto kwa chitoliro cha kupanikizika.
Makhalidwe a Penstock Pipe:
Penstock Pipe ndi dongosolo lomwe limagwirizana ndipo limakhudzana, kukoka ndi kusuntha thupi lonse.
Mapaipi opanikizika ali ndi chiŵerengero chachikulu cha mbali ndipo amakhala osakhazikika, zomwe zimapangitsa kuti pakhale zovuta kwambiri kuposa zotengera zopanikizika.
Mkhalidwe wa madzi m'mapaipi opanikizika ndi wovuta, wokhala ndi malo ochepa osungira, ndipo kuchuluka kwa kusintha kwa magwiridwe antchito kumakhala kokwera kuposa kwa mitsempha yopanikizika (monga kutentha kwambiri, kuthamanga kwambiri, kutentha kochepa, kuthamanga kochepa, kusintha kwa kusuntha, mphepo, chipale chofewa, chivomerezi, ndi zina zotero).
Pali mitundu yosiyanasiyana ya zigawo za mapaipi ndi zigawo zothandizira mapaipi, chilichonse chili ndi makhalidwe ake komanso zofunikira zaukadaulo, ndipo kusankha zipangizo n'kovuta.
Pali malo ambiri otayira madzi pa payipi kuposa pa chotengera cha mphamvu, ndipo nthawi zambiri pamakhala malo asanu pa valavu imodzi.
Pali mitundu yambiri ndi kuchuluka kwa mapaipi opondereza, ndipo pali maulalo ambiri pakupanga, kupanga, kukhazikitsa, kuyang'anira, ndi kasamalidwe ka ntchito, zomwe zimasiyana kwambiri ndi zombo zopondereza.
Cholinga cha Penstock Pipe:
Njira yoyendera (cholinga chachikulu)
Ntchito yosungira (ya mapaipi akutali)
Kusinthana kwa kutentha (kwa mapaipi a mafakitale)
Njira zopangira Penstock Pipe:
Sankhani zipangizo za mapaipi kutengera mtundu wa sing'anga, kuthamanga, ndi kutentha.
Werengerani kukula kwa chitoliro ndi makulidwe a khoma, ndipo konzani kapena dziwani tebulo la kalasi ya chitoliro.
Pangani mapulani a mapangidwe a mapaipi, dziwani njira zoyendetsera mapaipi, ndi njira zoyikira.
Jambulani mawonekedwe a payipi ndi mawonekedwe a mbali ya axial.
Pangani tebulo lofotokozera momwe zinthu zilili.
Chitani kupsinjika, kubwezera kutentha, ndi kuwerengera mphamvu yothandizira.
Perekani zipangizo zauinjiniya kwa akatswiri oyenerera.
Zojambula zonse zojambulidwa ndi zojambula zotsutsana nazo.
2. Mavuto pa kapangidwe ka mapaipi opondereza
Kodi pali mfundo zinazake za chidziwitso mu njira zopangira zomwe mukufuna kuzimvetsa?
Momwe mungadziwire kuthamanga kwa kapangidwe:
Momwe mungadziwire kutentha kwa kapangidwe kake:
Zofunikira pakupanga mapaipi:
Mapaipi ayenera kuyikidwa pamwamba momwe angathere, ndipo ngati pakufunika, akhoza kukwiriridwa kapena kuikidwa m'ngalande. (Zosavuta kuyika, kupanga, ndi kusamalira)
Yesani kugwiritsa ntchito kapangidwe ka hanger kuti mapaipi akhale pafupi momwe mungathere ndi nyumba ndi nyumba zomwe zilipo, koma pewani zinthu zosinthasintha zokhala ndi katundu wambiri.
Mapaipi sayenera kukonzedwa mkati mwa malo omangira mabowo onyamulira, malo otulutsira zida mkati mwa zida, ndi malo otulutsira ma flange.
Kapangidwe ka mapaipi kayenera kukonzedwa m'mizere yofanana, ndi mizere yolunjika komanso mapindidwe ochepa komanso malo olumikizirana momwe zingathere. Izi zitha kuchepetsa kuchuluka kwa mapaipi, kusunga zipangizo, komanso kukhala okongola komanso osavuta kuyika.
Mapaipi ayenera kukonzedwa m'mizere momwe angathere, ndipo pansi pa mapaipi opanda kanthu payenera kukhala ndi nthaka ya chithandizo cha chitoliro kuti pakhale kapangidwe ka chithandizocho.
Pamene kukwera kapena kulunjika kwa payipi kukusintha, ndikofunikira kupewa kupanga "matumba" a mpweya kapena madzi omwe asonkhana mu payipi. Ngati izi sizingatheke, ma valve otulutsa utsi ayenera kuyikidwa pamalo okwera ndipo ma valve otulutsa madzi ayenera kuyikidwa pamalo otsika.
Kuyika kwa payipi kuyenera kukhala ndi malo otsetsereka, ndipo malo otsetsereka nthawi zambiri amakhala ofanana ndi malo otsetsereka a zinthu, koma pali zosiyana, zomwe ziyenera kutsimikiziridwa malinga ndi njira yeniyeniyo.
Mapaipi pamwamba pa misewu ndi njanji sayenera kukhala ndi zinthu zomwe zingatayike, monga ma flange, ma threaded joints, compensators okhala ndi ma fillers, ndi zina zotero.
Pamene mapaipi akudutsa padenga, pansi, pa nsanja, ndi pakhoma, chitetezo cha chivundikiro nthawi zambiri chimafunika.
Mapaipi okwiriridwa ayenera kuganizira momwe katundu wa magalimoto amakhudzira, ndipo powoloka misewu, chivundikirocho chiyenera kuwonjezeredwa. Mtunda pakati pa pamwamba pa payipi ndi pamwamba pa msewu suyenera kuchepera 0.6m, ndipo uyenera kukhala pansi pa kuya kwa nthaka yozizira.
Mukalumikiza chitoliro cha nthambi kuchokera ku chitoliro chachikulu cha gasi chopingasa, chiyenera kulumikizidwa kuchokera pamwamba pa chitoliro chachikulu.
Pakukonza mapaipi ogawana okhala ndi zigawo zambiri, mapaipi a gasi, mapaipi otentha, mapaipi ogwiritsira ntchito, ndi zida zamagetsi ziyenera kukhala pamwamba, pomwe mapaipi apakati owononga ndi mapaipi otsika kutentha ayenera kukhala pansi.
Zinthu zoyaka moto, zophulika, zapoizoni, komanso zowononga siziyenera kuyikidwa m'zipinda zochezera, masitepe, m'makonde, ndi m'malo ena. Chitoliro chotulutsira mpweya chiyenera kutsogozedwa kumalo osankhidwa panja kapena 2m pamwamba pa denga.
Mapaipi opanda chotetezera kutentha safuna zothandizira kapena zothandizira mapaipi. Mapaipi akuluakulu opanda kanthu okhala ndi makoma owonda komanso mapaipi okhala ndi zigawo zotetezera kutentha ayenera kuthandizidwa ndi mabulaketi a mapaipi kapena zothandizira.
Zinthu zofunika kuziika m'manda mwachindunji ndi izi:
◇Mapaipi onyamula zinthu zosawononga, zosawononga, komanso zosaphulika sangathe kuyikidwa pansi pazifukwa zina.
◇ Kukonza mapaipi apakati okhudzana ndi matanki osungiramo zinthu pansi pa nthaka kapena zipinda zopopera pansi pa nthaka.
◇ Madzi ozizira ndi mapaipi a moto kapena thovu.
◇ Kutenthetsa mapaipi okhala ndi kutentha kogwira ntchito kosakwana 150 ℃.
3. Mfundo zofunika posankha zipangizo zogwiritsidwa ntchito kwambiri pa mapaipi opanikizika?
Kugwiritsa ntchito zipangizo za mapaipi zomwe zimagwiritsidwa ntchito kwambiri pa mapaipi opanikizika kumatsimikiziridwa ndi momwe zinthu zomwe zimayendera (monga kuthamanga, kutentha) ndi makhalidwe a zinthuzi pansi pa mikhalidwe iyi. Ganizirani zinthu zotsatirazi:
Zipangizo zomwe mumakonda kugwiritsa ntchito popayi:
Posankha zipangizo za chitoliro, zipangizo zachitsulo nthawi zambiri zimaganiziridwa poyamba. Ngati zipangizo zachitsulo sizili zoyenera, ndiye kuti zinthu zosagwiritsa ntchito zitsulo zimaganiziridwanso. Kusankha mapaipi achitsulo kuyenera kuperekedwa patsogolo, kutsatiridwa ndi zipangizo zosagwiritsa ntchito zitsulo. Mu mapaipi achitsulo, chitsulo cha kaboni chiyenera kuganiziridwa choyamba, ndipo chitsulo chosapanga dzimbiri chiyenera kugwiritsidwa ntchito ngati sichikugwira ntchito. Poganizira zinthu zachitsulo cha kaboni, mapaipi achitsulo olumikizidwa ayenera kuganiziridwa choyamba, ndipo mapaipi achitsulo osagwira ntchito ayenera kusankhidwa ngati sakugwira ntchito.
Mphamvu ya kuthamanga kwapakati:
》Kupanikizika kwa chonyamulira katundu kukakhala kwakukulu, makulidwe a khoma la chitoliro amakhala okulirapo, ndipo zofunikira pa zipangizo za chitolirocho zimakhala zapamwamba.
》Pamene kuthamanga kwapakati kuli pamwamba pa 1.6MPa, mapaipi achitsulo opanda msoko kapena mapaipi achitsulo opanda chitsulo angasankhidwe.
》Pamene kuthamanga kwa mpweya kuli kwakukulu kwambiri, monga kupanga ammonia yopangidwa, urea, ndi methanol, mapaipi ena amakhala ndi kuthamanga kwapakati mpaka 32MPa, ndipo nthawi zambiri amagwiritsa ntchito mapaipi achitsulo chosasunthika chopangidwa ndi zitsulo 20 kapena 15MnV.
Mapaipi omwe ali pa zipangizo zotsukira mpweya ndi mapaipi a okosijeni okhala ndi kuthamanga kopitilira 10MPa nthawi zambiri amapangidwa ndi mapaipi amkuwa ndi amkuwa.
》Pamene kuthamanga kwapakati kuli pansi pa 1.6MPa, mapaipi achitsulo olumikizidwa, chitoliro chachitsulo choponyedwa kapena mapaipi osakhala achitsulo angaganizidwe. Komabe, kuthamanga kwapakati komwe kumayendetsedwa ndi chitoliro chachitsulo choponyedwa sikuyenera kupitirira 1.0MPa. Kuthamanga kwapakati komwe mapaipi osakhala achitsulo amatha kupirira kumagwirizana ndi mitundu yosiyanasiyana ya zinthu zopanda chitsulo, monga mapaipi olimba a polyvinyl chloride, okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 1.6MPa; Mapaipi a polypropylene olimbikitsidwa okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 1.0MPa; Mapaipi a ABS, okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 0.6MPa.
Pa mapaipi amadzi, pamene kuthamanga kwa madzi kuli pansi pa 1.0MPa, mapaipi achitsulo opangidwa ndi Q235A nthawi zambiri amagwiritsidwa ntchito; Pamene kuthamanga kwa madzi kuli kopitirira 2.5MPa, mapaipi achitsulo chosasunthika opangidwa ndi chitsulo 20 nthawi zambiri amagwiritsidwa ntchito.
Mphamvu ya mankhwala apakatikati:
Mphamvu ya mankhwala apakatikati imaonekera makamaka mu dzimbiri ndipo iyenera kuyamikiridwa kwambiri.
Cholumikiziracho sichili ndi mbali iliyonse ndipo nthawi zambiri sichifuna zinthu zambiri zofunikira. Mapaipi wamba achitsulo cha kaboni angagwiritsidwe ntchito.
Ngati sing'anga ndi ya asidi kapena ya alkaline, ndikofunikira kusankha mapaipi olimbana ndi asidi kapena alkaline.
Mapaipi opangidwa ndi chitsulo cha kaboni amagwiritsidwa ntchito kunyamula madzi ndi nthunzi.
Mphamvu ya ntchito ya chitolirocho:
Kuwonjezera pa ntchito yotumiza zinthu, mapaipi ena alinso ndi ntchito yoyamwa zinthu modzidzimutsa, kuyamwa kutentha, ndipo amatha kusuntha pafupipafupi pamene akugwira ntchito.
Zotsatira za kuchepa kwa kuthamanga kwa magazi:
Pambuyo posankha koyamba zinthu zogwiritsira ntchito paipi, kuwerengera kutsika kwa mphamvu ya paipi kumafunikanso kuti mudziwe kukula kwa mkati mwa chitolirocho. Werengani kutsika kwa mphamvu ya paipi kuti muwone ngati zinthu zomwe mwasankha zikukwaniritsa zofunikira. Makamaka posankha mapaipi apulasitiki poyamba, ndikofunikira kuyang'anitsitsa kwambiri kuwunikanso kutsika kwa mphamvu ya paipi.
4. Mfundo zogwiritsira ntchito posankha zipangizo zachitsulo zomwe zimagwiritsidwa ntchito kwambiri pa mapaipi opanikizika
Kodi mfundo zotani posankha zipangizo zofala kwambiri zogwiritsira ntchito mapaipi opondereza mpweya? Lero, mkonzi adzakambirana za nkhaniyi.
(1) Zipangizo Zokondedwa za Chitoliro
Posankha zipangizo za chitoliro, zipangizo zachitsulo nthawi zambiri zimaganiziridwa poyamba. Ngati zipangizo zachitsulo sizili zoyenera, ndiye kuti zinthu zosagwiritsa ntchito chitsulo zimaganiziridwanso. Mapaipi achitsulo ndi omwe amakondedwa kwambiri pa zipangizo zachitsulo, kutsatiridwa ndi zipangizo zosagwiritsa ntchito chitsulo. Mu mapaipi achitsulo, chitsulo cha kaboni chiyenera kuganiziridwa choyamba, ndipo chitsulo chosapanga dzimbiri chiyenera kugwiritsidwa ntchito ngati sichikugwira ntchito. Poganizira zinthu zachitsulo cha kaboni, mapaipi achitsulo olumikizidwa ayenera kuganiziridwa choyamba, ndipo mapaipi achitsulo osagwira ntchito ayenera kusankhidwa ngati sakugwira ntchito.
(2) Mphamvu ya kuthamanga kwapakati
Kupanikizika kwa chonyamulira katundu kukakhala kwakukulu, makulidwe a khoma la chitoliro amakhala okulirapo, ndipo zofunikira pa zipangizo za chitolirocho zimakhala zapamwamba.
Ngati kuthamanga kwapakati kuli pamwamba pa 1.6MPa, mapaipi achitsulo opanda msoko kapena mapaipi achitsulo opanda chitsulo amatha kusankhidwa. Ngati kuthamanga kuli kwakukulu kwambiri, monga popanga ammonia yopangidwa, urea, ndi methanol, mapaipi ena amakhala ndi kuthamanga kwapakati mpaka 32MPa, ndipo mapaipi achitsulo opanda msoko amphamvu okhala ndi zinthu za 20 # kapena 15CrMo nthawi zambiri amasankhidwa. Mapaipi a mkuwa ndi amkuwa nthawi zambiri amagwiritsidwa ntchito pamapaipi pazida zotsukira mpweya ndi mapaipi a okosijeni okhala ndi kuthamanga kopitilira 10MPa.
Ngati kuthamanga kwapakati kuli pansi pa 1.6MPa, mapaipi achitsulo olumikizidwa, chitoliro chachitsulo choponyedwa kapena mapaipi osakhala achitsulo angaganizidwe. Komabe, kuthamanga kwa pakati komwe kumayendetsedwa ndi chitoliro chachitsulo choponyedwa sikuyenera kupitirira 1.0MPa. Kuthamanga kwapakati komwe mapaipi osakhala achitsulo amatha kupirira kumakhudzana ndi mitundu yosiyanasiyana ya zinthu zopanda chitsulo, monga mapaipi olimba a polyvinyl chloride, okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 1.6MPa; Mapaipi a polypropylene olimbikitsidwa okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 1.0MPa; Mapaipi a ABS, okhala ndi kuthamanga kwa ntchito kochepera kapena kofanana ndi 0.6MPa.
Pa mapaipi amadzi, pamene kuthamanga kwa madzi kuli pansi pa 1.0MPa, mapaipi achitsulo opangidwa ndi Q235A nthawi zambiri amagwiritsidwa ntchito; Pamene kuthamanga kwa madzi kuli kopitirira 2.5MPa, mapaipi achitsulo 20 # osapindika nthawi zambiri amagwiritsidwa ntchito.
(3) Mphamvu ya kutentha kwapakati
Mapaipi opangidwa ndi zinthu zosiyanasiyana ndi oyenera kutentha kosiyanasiyana. Pamene kutentha kwa mpweya wa haidrojeni kuli kochepera 350 ℃, mapaipi achitsulo chopanda msoko 20 # nthawi zambiri amagwiritsidwa ntchito pa mpweya wa haidrojeni wokhala ndi kuthamanga kwa 1.0MPa. Pamene kutentha kwa mpweya wa haidrojeni kuli pakati pa 351-400 ℃, mapaipi achitsulo chopanda msoko 15CrMo kapena 12CrMo nthawi zambiri amagwiritsidwa ntchito.
(4) Mphamvu ya mankhwala apakatikati
Kunyamula zinthu zosiyanasiyana pogwiritsa ntchito mapaipi osiyanasiyana. Zinthu zina sizili ndi mbali ndipo nthawi zambiri sizifuna zinthu zambiri. Mapaipi wamba a chitsulo cha kaboni angagwiritsidwe ntchito; Zinthu zina zimakhala ndi asidi kapena alkaline, kotero ndikofunikira kusankha mapaipi osagwira asidi kapena alkali. Zofunikira pakugwiritsa ntchito mapaipi ndizosiyana pakati pa asidi amphamvu ndi ofooka ndi maziko. Asidi kapena maziko omwewo, okhala ndi kuchuluka kosiyana, alinso ndi zofunikira zosiyana pa zinthu za mapaipi. Ngati akunyamula madzi ndi nthunzi, mapaipi opangidwa ndi chitsulo cha kaboni ndi okwanira. Mu zomera za urea, mapaipi osapanga dzimbiri nthawi zambiri amagwiritsidwa ntchito ponyamula kaboni dioxide, chifukwa kaboni dioxide imapanga kaboni dioxide ikakumana ndi madzi, zomwe zimapangitsa kuti mapaipi onse aziwononga. Ngati akupanga sulfuric acid, mapaipi achitsulo cha kaboni angagwiritsidwe ntchito, pomwe pa sulfuric acid yochepetsedwa, mapaipi achitsulo cha kaboni sangagwiritsidwe ntchito chifukwa sulfuric acid yochepetsedwa ndi chitsulo cha kaboni imatha kuchitapo kanthu mwa mankhwala ndikuwononga chitsulo cha kaboni. Chifukwa chake, mapaipi olimba a aluminiyamu angagwiritsidwe ntchito.
(5) Mphamvu ya ntchito ya chitolirocho
Kuwonjezera pa ntchito yotumiza zinthu, mapaipi ena alinso ndi ntchito yoyamwa zinthu modzidzimutsa komanso yokwanira kukulitsa kutentha. Pantchito, amatha kusuntha pafupipafupi, monga mpweya wa petroleum wosungunuka, mpweya wa okosijeni ndi acetylene kuti agwiritsidwe ntchito pamalo odzaza mabotolo. Mapaipi a rabara opangidwa ndi waya wokhuthala nthawi zambiri amagwiritsidwa ntchito pamapaipi, m'malo mwa mapaipi achitsulo cholimba omwe ndi ovuta kusuntha.
(6) Kutsika kwa kuthamanga kwa magazi
Pambuyo posankha koyamba zinthu zogwiritsira ntchito paipi, kuwerengera kutsika kwa mphamvu ya paipi kumafunikanso kuti mudziwe kukula kwa mkati mwa chitolirocho. Werengani kutsika kwa mphamvu ya paipi kuti muwone ngati zinthu zomwe mwasankha zikukwaniritsa zofunikira. Makamaka posankha mapaipi apulasitiki poyamba, ndikofunikira kuyang'anitsitsa kwambiri kuwunikanso kutsika kwa mphamvu ya paipi.
Pakuwerengera mapaipi opanikizika, mu kapangidwe ka uinjiniya, kuwerengera kwa zinthu, mphamvu, ndi zida nthawi zambiri kumachitika molingana ndi sikelo yopangira kuti azindikire kayendedwe ka zinthu. Ponena za deta yoyenera, ganizirani kuchuluka kwa kuyenda kwa zinthu, kuwerengera m'mimba mwake wamkati wa chitoliro, yang'anani buku la malangizo kapena muyezo, ndikusankha chitoliro chokhazikika. M'mimba mwake wamkati wa chitoliro chokhazikika chomwe nthawi zambiri chimasankhidwa chiyenera kukhala chofanana kapena chachikulu pang'ono kuposa m'mimba mwake wamkati wa chitoliro. Werenganinso kutsika kwa kuthamanga kwa chitoliro kachiwiri.
Tebulo lofotokozera ndi kulemera pa tebulo lililonse la mita ya mapaipi achitsulo ozungulira olumikizidwa
WNdi chitoliro chachikulu cha ERW square payipi, rectangle payipi, hollow payipi, galvanized payipi, ndi spiral welded payipi yachitsulo ku China chomwe chimagulitsidwa pachaka chafika $15 biliyoni. Yuantai Derun ili ndi mizere 51 yakuda yopangira mapaipi achitsulo a ERW, mizere 10 yopangira mapaipi achitsulo, ndi mizere itatu yopangira mapaipi achitsulo. Chitoliro chachitsulo cha sikweya 10 * 10 * 0.5mm mpaka 1000 * 1000 * 60MM, chitoliro chachitsulo cha rectangle 10 * 15 * 0.5mm mpaka 800 * 1200 * 60MM, chitoliro chachitsulo cha spiral (SSAW) Ø 219-4020mm chingapangidwe, magiredi achitsulo kuyambira Q (s) 195 mpaka Q (s) 650 / Gr.A-Gr.D. Yuantai Derun imatha kupanga machubu achitsulo chozungulira malinga ndi API 5L, SY/T6475, JIS g3466, En10219/EN10210, Din2240, ndi AS1163. Yuantai Derun ili ndi machubu achitsulo chofatsa kwambiri ku China, omwe angakwaniritse zosowa za makasitomala mwachindunji.
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| Dzina la Chinthu | Chitoliro chachitsulo chozungulira cholumikizidwa |
| Muyezo | API 5L psl1/psl2, ISO9000, DIN2240, ASTM A500, A501, A53 EN10219/EN10210, JIS G3466, GB/T6728,GB/T3094,GB/T3091,GB/T95TSY/671,GB/T95TSY/671, |
| Kukula | 219mm mpaka 4020mm |
| Kukhuthala | 4mm mpaka 30mm |
| Mayeso a NDT | UT, RT, hydrostatic, |
| Mphepete Zopindika | 30DEG,(-0, +5) |
| Utali | 3M-max.24meters, kapena ngati pakufunika |
| Chithandizo cha pamwamba | Chopaka utoto wakuda/chopaka ma galvanizing ndi zina zotero. |
| Mapeto Otentha Okulitsa | Zilipo |
| Kulongedza | Chingwe cha PCS/nayiloni chomasuka (cha mapaipi ophimba) |
| Mayendedwe | ndi zotengera za 20/40FT kapena ndi zotengera zazikulu malinga ndi momwe zilili |
| Nsapato yodzaza ndi milu | OEM/ODM (yopangira zinthu zambiri) |
| Kuyang'ana kwa chipani chachitatu | SGS/BV/JIS/ISO/API/GB/BC1/EPD&PHD |
| Nthawi Yolipira | TT, LC |
| Kugwiritsa ntchito | mayendedwe a madzi/madzimadzi, kuyika milu, zothandizira kapangidwe kake, kukumba, ndi zina zotero. |
Chiwonetsero cha Sitolo Yogwirira Ntchito
Anthu a ku Yuantai omwe ali ndi chikhulupiriro cholimba adzipereka kupangitsa dziko lonse kukonda zinthu zopangidwa ku China. Mzimu woyera komanso wosavuta wa Yuantai waika kutentha kwa maloto mu chitsulo chozizira.
Nthawi ingasinthe chilichonse, koma nthawi singasinthe chilichonse, monga mtima woyambirira.
Kulimbikira kosalekeza kwapangitsa kuti munthu akhale ngwazi imodzi yokha ya gulu
Mu workshop ya Yuantai, amuna ndi akazi ofooka si otsika poyerekeza ndi amuna.
Anthu a ku Yuantai amawala ndipo amamenyana m'malo awo wamba
Kampaniyo imaona kuti zinthu zili bwino kwambiri, imaika ndalama zambiri poyambitsa zida zamakono komanso akatswiri, ndipo imachita zonse zomwe ingathe kuti ikwaniritse zosowa za makasitomala kunyumba ndi kunja.
Zomwe zili mkati mwake zitha kugawidwa m'magulu awiri: kapangidwe ka mankhwala, mphamvu yokolola, mphamvu yokoka, mphamvu yogwira, ndi zina zotero.
Nthawi yomweyo, kampaniyo imathanso kuchita njira zodziwira zolakwika pa intaneti komanso njira zina zochizira kutentha malinga ndi zosowa za makasitomala.
https://www.ytdrintl.com/
Imelo:sales@ytdrgg.com
Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.ndi fakitale ya mapaipi achitsulo yovomerezedwa ndiEN/ASTM/ JISYodziwika bwino pakupanga ndi kutumiza mitundu yonse ya mapaipi amakona anayi, mapaipi opangidwa ndi galvanized, mapaipi opangidwa ndi ERW, mapaipi ozungulira, mapaipi opangidwa ndi arc, mapaipi olunjika, mapaipi osasinthika, coil yachitsulo yokutidwa ndi utoto, coil yachitsulo yopangidwa ndi galvanized ndi zinthu zina zachitsulo. Ndi mayendedwe osavuta, ili pamtunda wa makilomita 190 kuchokera ku Beijing Capital International Airport komanso makilomita 80 kuchokera ku Tianjin Xingang.
WhatsApp:+8613682051821
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