1. Kodi Pipe ya Penstock ndi chiyani?
Penstock Pipe ndi ya zida zapadera, ndipo malinga ndi tanthauzo la "Regulations on Safety Supervision of Special Equipment", amatanthawuza zida za tubular zomwe zimagwiritsa ntchito kuthamanga kwina kunyamula gasi kapena madzi. Kukula kwake kumatanthauzidwa ngati gasi, gasi wonyezimira, sing'anga yotentha yogwira ntchito kwambiri kuposa kapena yofanana ndi 0.1MPa (kuthamanga kwa gauge), kapena kuyaka, kuphulika, poizoni, zowononga zamadzimadzi zomwe zimatha kutentha kwambiri kuposa kapena kofanana ndi muyezo kuwira mfundo, ndi mapaipi ndi awiri mwadzina wamkulu kuposa 25mm.
Mfundo yogwirira ntchito:
Kwa Pipe imodzi ya Penstock, imadalira mphamvu yakunja kapena mphamvu yoyendetsa sing'anga yokha kuti isamutse sing'anga kuchokera ku gwero la payipi yoponderezedwa mpaka kumapeto kwa payipi yokakamiza.
Makhalidwe a Penstock Pipe:
Penstock Pipe ndi dongosolo lomwe limagwirizana ndipo limakhudza wina ndi mzake, kukoka ndi kusuntha thupi lonse.
Mapaipi opatsirana amakhala ndi gawo lalikulu ndipo amakonda kusakhazikika, zomwe zimapangitsa kuti pakhale zovuta zovuta kwambiri kuposa zotengera zopanikizika.
Mayendedwe amadzimadzi m'mapaipi oponderezedwa ndi ovuta, okhala ndi malo ang'onoang'ono achitetezo, ndipo kuchuluka kwa kusintha kwa magwiridwe antchito ndikokwera kwambiri kuposa zotengera zopanikizika (monga kutentha kwambiri, kuthamanga kwambiri, kutentha pang'ono, kutsika, kutsika, kusamuka, mphepo, chipale chofewa, chivomezi, etc.).
Pali mitundu yosiyanasiyana ya zida za mapaipi ndi zida zothandizira mapaipi, chilichonse chili ndi mawonekedwe ake komanso zofunikira zaukadaulo, ndipo kusankha kwazinthu kumakhala kovuta.
Pali zochulukira zochulukira papaipi kuposa pachotengera chokakamiza, ndipo nthawi zambiri pamakhala mfundo zisanu pa valve imodzi.
Pali mitundu yambiri ndi kuchuluka kwa mapaipi okakamiza, ndipo pali maulalo ambiri pakupanga, kupanga, kukhazikitsa, kuyang'anira, ndi kasamalidwe ka ntchito, zomwe ndizosiyana kwambiri ndi zotengera zokakamiza.
Cholinga cha Penstock Pipe:
Transport medium (cholinga chachikulu)
Ntchito yosungira (kwa mapaipi akutali)
Kusinthana kwa kutentha (kwa mapaipi a mafakitale)
Njira zopangira Penstock Pipe:
Sankhani zida zamapaipi potengera mtundu wa sing'anga, kuthamanga, ndi kutentha.
Weretsani kukula kwa chitoliro ndi makulidwe a khoma, ndipo konzani kapena kudziwa tebulo la kalasi ya mapaipi.
Kupanga makonzedwe a mapaipi, kusankha njira zamapaipi, ndi kuyala njira.
Jambulani masanjidwe a mapaipi ndi mawonekedwe a mbali ya axial.
Konzani tebulo lodziwika bwino la mapaipi.
Chitani kupsinjika, kubwezera matenthedwe, ndi kuwerengera kwamphamvu.
Perekani zida za engineering Civil ku zazikulu zoyenera.
Malizitsani zojambula ndi zojambula zofananira.
2. Mavuto pakupanga mapangidwe a mapaipi opanikizika
Kodi pali mfundo zinazake zachidziwitso pamapangidwe apangidwe omwe mukufuna kumvetsetsa?
Momwe mungadziwire kuthamanga kwa mapangidwe:
Momwe mungadziwire kutentha kwapangidwe:
Zofunikira pakupanga mapaipi:
Mipope iyenera kuikidwa pamwamba momwe zingathere, ndipo ngati n'koyenera, akhoza kukwiriridwa kapena kuikidwa m'ngalande. (Yosavuta kuyiyika, kupanga, ndi kukonza)
Yesetsani kugwiritsa ntchito kamangidwe ka hanger kuti payipi ikhale yoyandikana kwambiri ndi nyumba zomwe zilipo kale, koma pewani zida zosinthika zokhala ndi katundu wambiri.
Mapaipi sayenera kukonzedwa mkati mwa malo opangira mabowo okweza, zida zamkati zamkati, ndi malo ophatikizira ma flange.
Mapangidwe a mapaipi ayenera kukonzedwa m'mizere yofanana, yokhala ndi mizere yowongoka ndi mapindikidwe ochepa ndi mphambano momwe zingathere. Izi zitha kuchepetsa kuchuluka kwa zitoliro zoyikapo, kupulumutsa zida, komanso kukhala zokometsera komanso zosavuta kuziyika.
Mapaipi ayenera kukonzedwa m'mizere momwe angathere, ndipo pansi pa mapaipi opanda kanthu ayenera kugwirizanitsidwa ndi pansi pa chithandizo cha chitoliro kuti athe kupanga chithandizo.
Pamene kukwera kapena mayendedwe a payipi akusintha, ndikofunikira kupewa mapangidwe a "matumba" a gasi kapena madzi opezeka mu payipi. Ngati izi sizingapewedwe, ma valve otulutsa mpweya ayenera kuikidwa pamalo apamwamba ndipo ma valve otulutsa madzi ayenera kuikidwa pamunsi.
Kuyika kwa payipi kwa ndege kumakhala ndi malo otsetsereka, ndipo malo otsetsereka nthawi zambiri amakhala ofanana ndi njira yoyendetsera zinthu, koma pali zopatula, zomwe zidzatsimikizidwe molingana ndi ndondomekoyi.
Mapaipi omwe ali pamwamba pa misewu ndi njanji sayenera kukhala ndi zinthu zomwe zimatha kutayikira, monga ma flanges, zolumikizira ulusi, zolipiritsa zodzaza ndi zina.
Pamene mapaipi akudutsa padenga, pansi, pamapulatifomu, ndi makoma, chitetezo cha m'kati chimafunika kaŵirikaŵiri.
Mapaipi okwiriridwa ayenera kuganizira momwe katundu wagalimoto amakhudzira, ndipo powoloka misewu, mabotolo ayenera kuwonjezeredwa. Mtunda pakati pa pamwamba pa payipi ndi pamwamba pa msewu suyenera kuchepera 0.6m, ndipo uyenera kukhala pansi pa kuya kwa dothi lowundana.
Mukalumikiza chitoliro cha nthambi kuchokera ku chitoliro chachikulu cha gasi chopingasa, chiyenera kulumikizidwa kuchokera pamwamba pa chitoliro chachikulu.
Pa masanjidwe a mapaipi amitundu yambiri, mapaipi a gasi, mapaipi otentha, mapaipi ogwiritsira ntchito, ndi zida zamagetsi ziyenera kukhala chapamwamba, pomwe mapaipi apakati ochita dzimbiri ndi mapaipi otsika kutentha ayenera kukhala pansi.
Zinthu zoyaka moto, zophulika, zapoizoni, ndi zowononga siziyenera kuikidwa m’zipinda zochezera, masitepe, m’makonde, ndi m’malo ena. Chitoliro chotulutsa mpweya chiyenera kutsogoleredwa kumalo osankhidwa akunja kapena 2m pamwamba pa denga.
Mapaipi opanda kutchinjiriza safuna zothandizira mapaipi kapena zothandizira. Mapaipi ang'onoang'ono okhala ndi mipanda yopyapyala ndi mapaipi okhala ndi zotsekera ayenera kuthandizidwa ndi mabatani a mapaipi kapena zothandizira.
Mikhalidwe yoikidwiratu mwachindunji mapaipi ndi:
◇Mapaipi omwe amanyamula zinthu zosakhala ndi poizoni, zosawononga, komanso zosaphulika sangathe kuziyika pazifukwa zina.
◇ Pangani mapaipi apakati okhudzana ndi akasinja osungiramo pansi kapena zipinda zapansi pa nthaka.
◇ Madzi ozizira ndi madzi amoto kapena mipope ya thovu.
◇ Kutentha mapaipi ndi ntchito kutentha zosakwana 150 ℃.
3. Mfundo za kusankha zipangizo zapaipi zomwe zimagwiritsidwa ntchito kawirikawiri pamapaipi oponderezedwa?
Kugwiritsiridwa ntchito kwa zipangizo zapaipi zomwe zimagwiritsidwa ntchito kwambiri pamapaipi oponderezedwa kumatsimikiziridwa ndi momwe ntchito ya sing'anga imayendera (monga kuthamanga, kutentha) ndi makhalidwe a sing'anga pansi pazimenezi. Ganizirani zinthu zotsatirazi:
Zida zamapaipi zomwe mumakonda:
Posankha zipangizo zapaipi, zipangizo zachitsulo zimaganiziridwa poyamba. Pamene zitsulo sizili zoyenera, zinthu zopanda zitsulo zimaganiziridwa. Chofunika kwambiri chiyenera kuperekedwa posankha mipope yachitsulo yazitsulo zazitsulo, zotsatiridwa ndi zitsulo zopanda chitsulo. Mu mapaipi achitsulo, zitsulo za carbon ziyenera kuganiziridwa poyamba, ndipo zitsulo zosapanga dzimbiri ziyenera kugwiritsidwa ntchito ngati sizikugwira ntchito. Poganizira za zida za carbon steel, mapaipi azitsulo opangidwa ndi welded ayenera kuganiziridwa poyamba, ndipo zitsulo zopanda phokoso ziyenera kusankhidwa ngati sizikugwira ntchito.
Mphamvu ya medium pressure:
》Kuthamanga kwa sing'anga yonyamulira kumakwera, kukhuthala kwa khoma la chitoliro kumapangitsa kuti chitolirocho chikhale chokhuthala, komanso kuti chitoliro chikhale chokwera kwambiri.
》Kuthamanga kwapakati kukakhala pamwamba pa 1.6MPa, mapaipi achitsulo osasunthika kapena mapaipi achitsulo opanda chitsulo amatha kusankhidwa.
》Kuthamanga kukakwera kwambiri, monga popanga ammonia, urea, ndi methanol, mapaipi ena amakhala ndi mphamvu yapakati yofikira 32MPa, ndipo nthawi zambiri amagwiritsa ntchito mapaipi achitsulo osasokonekera opangidwa ndi zitsulo 20 kapena 15MnV.
》Mapaipi a zida za vacuum ndi mapaipi a oxygen omwe ali ndi mphamvu yopitilira 10MPa nthawi zambiri amapangidwa ndi mapaipi amkuwa ndi amkuwa.
》Pamene mphamvu yapakati ili pansi pa 1.6MPa, mapaipi achitsulo otenthedwa, chitoliro chachitsulo cha Cast kapena mapaipi omwe si achitsulo amatha kuganiziridwa. Komabe, kukakamizidwa kwa sing'anga yonyamulidwa ndi chitoliro chachitsulo sikudzakhala kwakukulu kuposa 1.0MPa. Kuthamanga kwapang'onopang'ono komwe mapaipi osakhala achitsulo amatha kupirira kumagwirizana ndi mitundu yosiyanasiyana ya zinthu zopanda zitsulo, monga mapaipi olimba a polyvinyl chloride, omwe ali ndi mphamvu ya utumiki yocheperapo kapena yofanana ndi 1.6MPa; Kulimbitsa mapaipi a polypropylene okhala ndi kuthamanga kwautumiki kochepera kapena kofanana ndi 1.0MPa; Mapaipi a ABS, omwe ali ndi mphamvu yogwira ntchito yochepera kapena yofanana ndi 0.6MPa.
》Kwa mapaipi amadzi, mphamvu yamadzi ikakhala pansi pa 1.0MPa, mapaipi achitsulo opangidwa ndi Q235A amagwiritsidwa ntchito; Kuthamanga kwa madzi kukakhala kokulirapo kuposa 2.5MPa, mapaipi achitsulo opanda msoko opangidwa ndi zitsulo 20 amagwiritsidwa ntchito.
Mphamvu ya sing'anga mankhwala katundu:
Zotsatira za mankhwala apakati zimawonekera makamaka mu dzimbiri ndipo ziyenera kuyamikiridwa kwambiri.
Sing'angayo silowerera ndale ndipo nthawi zambiri safuna zinthu zambiri zofunika. Mapaipi wamba achitsulo amatha kugwiritsidwa ntchito.
Ngati sing'anga ndi acidic kapena zamchere, m'pofunika kusankha asidi kapena alkali kugonjetsedwa mapaipi.
Mapaipi opangidwa ndi chitsulo cha kaboni amagwiritsidwa ntchito kunyamula madzi ndi nthunzi.
Mphamvu ya ntchito ya chitoliro palokha:
Kuphatikiza pa ntchito yopatsira sing'anga, mapaipi ena amakhalanso ndi ntchito ya kugwedezeka, kuyamwa kwamatenthedwe, ndipo amatha kuyenda pafupipafupi pansi pamikhalidwe yogwirira ntchito.
Zotsatira za kutsika kwa pressure:
Pambuyo pa kusankha koyambirira kwa chitoliro, kuwerengera kwa chitoliro cha chitoliro kumafunikanso kuti mudziwe kukula kwa mkati mwa chitoliro. Werengani kutsika kwamphamvu kuti muwone ngati zomwe zasankhidwa zikukwaniritsa zofunikira. Makamaka posankha poyambira mapaipi apulasitiki, ndikofunikira kuyang'ana kwambiri pakuwunikanso kutsika kwamphamvu.
4. Mfundo posankha zida zachitsulo zomwe zimagwiritsidwa ntchito popanga mapaipi oponderezedwa
Ndi mfundo ziti posankha zida zapaipi zomwe zimagwiritsidwa ntchito nthawi zambiri pamapaipi apakati? Lero, mkonzi alankhula za nkhaniyi.
(1) Zida Zapaipi Zokonda
Posankha zipangizo zapaipi, zipangizo zachitsulo zimaganiziridwa poyamba. Pamene zitsulo sizili zoyenera, zinthu zopanda zitsulo zimaganiziridwa. Mipope yachitsulo imakondedwa ndi zitsulo, zotsatiridwa ndi zitsulo zopanda chitsulo. Mu mapaipi achitsulo, zitsulo za carbon ziyenera kuganiziridwa poyamba, ndipo zitsulo zosapanga dzimbiri ziyenera kugwiritsidwa ntchito ngati sizikugwira ntchito. Poganizira za zida za carbon steel, mapaipi azitsulo opangidwa ndi welded ayenera kuganiziridwa poyamba, ndipo zitsulo zopanda phokoso ziyenera kusankhidwa ngati sizikugwira ntchito.
(2) Mphamvu yapakatikati
Kukwera kwamphamvu kwa sing'anga yonyamulira, kukulitsa makulidwe a khoma la chitoliro, komanso kukwezera zofunika za chitoliro nthawi zambiri.
Kuthamanga kwapakati kukakhala pamwamba pa 1.6MPa, mapaipi achitsulo osasunthika kapena mapaipi achitsulo opanda chitsulo amatha kusankhidwa. Kuthamanga kwapamwamba kwambiri, monga kupanga ammonia, urea, ndi methanol, mapaipi ena amakhala ndi kuthamanga kwapakati mpaka 32MPa, ndipo mipope yachitsulo yopanda phokoso yokhala ndi zipangizo za 20 # kapena 15CrMo nthawi zambiri amasankhidwa. Mapaipi amkuwa ndi amkuwa nthawi zambiri amagwiritsidwa ntchito popanga mapaipi pazida zowulutsira ndi mapaipi a okosijeni omwe ali ndi mphamvu yayikulu kuposa 10MPa.
Pamene kuthamanga kwapakatikati kuli pansi pa 1.6MPa, mapaipi achitsulo otsekemera, chitoliro chachitsulo choponyera kapena mapaipi osakhala achitsulo angaganizidwe. Komabe, kukakamizidwa kwa sing'anga yonyamulidwa ndi chitoliro chachitsulo sikudzakhala kwakukulu kuposa 1.0MPa. Kuthamanga kwapang'onopang'ono komwe mapaipi osakhala achitsulo amatha kupirira kumagwirizana ndi mitundu yosiyanasiyana ya zinthu zopanda zitsulo, monga mapaipi olimba a polyvinyl chloride, omwe ali ndi mphamvu ya utumiki yocheperapo kapena yofanana ndi 1.6MPa; Kulimbitsa mapaipi a polypropylene okhala ndi kuthamanga kwautumiki kochepera kapena kofanana ndi 1.0MPa; Mapaipi a ABS, omwe ali ndi mphamvu yogwira ntchito yochepera kapena yofanana ndi 0.6MPa.
Kwa mapaipi amadzi, pamene kuthamanga kwa madzi kuli pansi pa 1.0MPa, mapaipi achitsulo opangidwa ndi Q235A amagwiritsidwa ntchito; Kuthamanga kwa madzi kukakhala kwakukulu kuposa 2.5MPa, mapaipi 20 # opanda zitsulo amagwiritsidwa ntchito.
(3) Mphamvu ya kutentha kwapakati
Mipope yopangidwa ndi zipangizo zosiyanasiyana ndi yoyenera kutentha kwamitundu yosiyanasiyana. Pamene kutentha kwa mpweya wa haidrojeni ndi wosakwana 350 ℃, mapaipi 20 # osasunthika achitsulo amagwiritsidwa ntchito popanga mpweya wa haidrojeni ndi kukakamiza kwa 1.0MPa. Pamene kutentha kwa mpweya wa haidrojeni kuli mkati mwa 351-400 ℃, 15CrMo kapena 12CrMo mapaipi opanda zitsulo amagwiritsidwa ntchito.
(4) Chikoka cha sing'anga mankhwala katundu
Kunyamula ma media osiyanasiyana pogwiritsa ntchito mapaipi osiyanasiyana. Makanema ena salowerera ndale ndipo nthawi zambiri safuna zinthu zambiri. Mipope wamba ya carbon steel ingagwiritsidwe ntchito; Ma media ena ndi acidic kapena alkaline, kotero ndikofunikira kusankha mapaipi osamva acid kapena alkali. Zofunikira pakugwiritsa ntchito mapaipi ndi zosiyana pakati pa ma asidi amphamvu ndi ofooka ndi maziko. Asidi omwewo kapena maziko, omwe ali ndi magawo osiyanasiyana, alinso ndi zofunikira zosiyana za zinthu za mapaipi. Ngati kunyamula madzi ndi nthunzi, mapaipi opangidwa ndi carbon steel material ndi okwanira. M'zomera za urea, mipope yachitsulo chosapanga dzimbiri imagwiritsidwa ntchito potengera mpweya woipa, monga mpweya woipa umapanga mpweya woipa ukakumana ndi madzi, womwe umawononga mipope yachitsulo. Ngati apanga sulfuric acid, mapaipi azitsulo a carbon angagwiritsidwe ntchito, pamene kusungunula sulfuric acid, mapaipi achitsulo sangagwiritsidwe ntchito chifukwa kusungunula sulfuric acid ndi carbon steel zimatha kuchitapo kanthu ndi kuwononga chitsulo cha carbon. Choncho, mapaipi olimba a aluminiyamu angagwiritsidwe ntchito.
(5) Zotsatira za ntchito ya chitoliro palokha
Kuphatikiza pa ntchito yopatsira sing'anga, mapaipi ena amakhalanso ndi ntchito yotulutsa mantha komanso coefficient of thermal expansion. M'malo ogwirira ntchito, amatha kusuntha pafupipafupi, monga mpweya wamafuta amafuta, mpweya ndi mpweya wa acetylene kuti ugwiritsidwe ntchito pamalo odzaza botolo. Mapaipi achitsulo othamanga kwambiri amagwiritsidwa ntchito popanga mapaipi, m'malo mwa mipope yachitsulo yolimba yomwe imakhala yovuta kuyenda.
(6) Zotsatira za kutsika kwamphamvu
Pambuyo pa kusankha koyambirira kwa chitoliro, kuwerengera kwa chitoliro cha chitoliro kumafunikanso kuti mudziwe kukula kwa mkati mwa chitoliro. Werengani kutsika kwamphamvu kuti muwone ngati zomwe zasankhidwa zikukwaniritsa zofunikira. Makamaka posankha poyambira mapaipi apulasitiki, ndikofunikira kuyang'ana kwambiri pakuwunikanso kutsika kwamphamvu.
Pakuti mawerengedwe a kuthamanga payipi, mu uinjiniya kamangidwe, chuma bwino, mphamvu bwino ndi kuwerengera zida zambiri ikuchitika molingana ndi sikelo kupanga kuti adziwe poyambirira zinthu otaya. Ponena za deta yofunikira, lingalirani kuchuluka kwa zinthu zomwe zikuyenda, kuwerengera kuchuluka kwa chitoliro chamkati, fufuzani bukulo kapena muyezo, ndikusankha chitoliro chokhazikika. M'mimba mwake wa chitoliro chokhazikika chomwe chimasankhidwa nthawi zambiri chimayenera kukhala chofanana kapena chokulirapo pang'ono kuposa kukula kwapakati kwa chitoliro. Werenganinso kutsika kwapaipi kwapaipi.
Mfundo tebulo ndi kulemera kwa mita tebulo kwa ozungulira welded zitsulo mapaipi
With linanena bungwe pachaka matani miliyoni 8, Yuantai Derun ndi lalikulu ERW chitoliro lalikulu, chitoliro amakona anayi, chitoliro dzenje, chitoliro kanasonkhezereka, ndi kozungulira welded zitsulo chitoliro wopanga mu China. Zogulitsa zapachaka zidafika $15 biliyoni. Yuantai Derun ali 51 wakuda ERW zitsulo mizere kupanga chitoliro, 10 kanasonkhezereka zitsulo mizere kupanga chitoliro, ndi mizere 3 ozungulira welded zitsulo kupanga chitoliro. Square zitsulo chitoliro 10 * 10 * 0.5mm kuti 1000 * 1000 * 60MM, amakona anayi zitsulo chitoliro 10 * 15 * 0.5mm kuti 800 * 1200 * 60MM, ozungulira zitsulo chitoliro (SSAW) Ø 219-4020mm kuchokera Q zitsulo zingapangidwe (s) 195 mpaka Q (s) 650 / Gr.A-Gr.D. Yuantai Derun akhoza kupanga machubu ozungulira zitsulo malinga ndi API 5L, SY/T6475, JIS g3466, En10219/EN10210, Din2240, ndi AS1163. Yuantai Derun ali waukulu wofatsa zitsulo chubu kufufuza mu China, amene angakwaniritse zofuna mwachindunji kugula makasitomala.
Takulandirani aliyense kuti alumikizane ndi Yuantai Derun, Imelo:sales@ytdrgg.com, ndi Real-time kugwirizana kuyendera chomera kapena fakitale ulendo!
| Dzina lazogulitsa | Spiral welded steel pipe |
| Standard | 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, |
| Makulidwe | 219mm kuti 4020mm |
| Makulidwe | 4 mpaka 30 mm |
| Chithunzi cha NDT | UT, RT, hydrostatic, |
| Beveled Edges | 30DEG, (-0, +5) |
| Utali | 3M-max.24meters, kapena pakufunika |
| Chithandizo chapamwamba | Zopenta zakuda / zokometsera ndi zina. |
| Hot Expanded Ends | Likupezeka |
| Kulongedza | Anamasula PCS/nayiloni chingwe (kwa mapaipi ❖ kuyanika) |
| Mayendedwe | ndi zotengera za 20/40FT kapena ndi zombo zambiri monga momwe zilili |
| Mulu wa nsapato | OEM / ODM (kwa mulu) |
| Kuyendera kwa chipani chachitatu | SGS/BV/JIS/ISO/API/GB/BC1/EPD&PHD |
| Nthawi Yolipira | TT, LC |
| Kugwiritsa ntchito | mayendedwe amadzi / madzi, kuunjika, zothandizira pamapangidwe, kukopera, etc. |
WORK SHOP SHOW
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https://www.ytdrintl.com/
Imelo :sales@ytdrgg.com
Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.ndi zitsulo chitoliro fakitale mbiri yabwino ndiEN/Chithunzi cha ASTM/ JISokhazikika kupanga ndi katundu wa mitundu yonse ya lalikulu amakona anayi chitoliro, kanasonkhezereka chitoliro, ERW welded chitoliro, chitoliro ozungulira, kumizidwa arc welded chitoliro, chitoliro molunjika msoko, chitoliro chosasokonekera, mtundu TACHIMATA zitsulo koyilo, kanasonkhezereka zitsulo koyilo ndi zina zitsulo products.With. mayendedwe abwino, ndi mtunda wa makilomita 190 kuchokera ku Beijing Capital International Airport ndi makilomita 80 kuchokera ku Tianjin Xingang.
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