1. Hangzhou Dongbei Neeg Kho Tshuab thiab Hluav Taws Xob Khoom Co., Ltd.
Hangzhou Dongbei Neeg Kho Tshuab thiab Hluav Taws Xob Hluav Taws Xob Co., Ltd. Muaj lub vev xaibDB - lub tog raj kheej.comCov. Nws tsom rau R & D, ntau lawm thiab kev muag khoom ntawm seamless roj kev soj ntsuam khoom siv. Nws cov khoom tseem ceeb suav nrog seamless steel kheej lub tog raj kheej kuaj cov tshuab hydraulic, x {}} tshav paim daws detectors thiab hluav taws xob pleev xim rau cov kab. Txhua yam cuab yeej ua raws li cov qauv hauv tebchaws zoo li GB 5842 - 2022 thiab GB / T 9251- 2023. Nws tuaj yeem ntes qhov tsis xws luag xws li cov kab nrib pleb thiab phab ntsa tuab txo nyob rau hauv kev sib tuav thooj. Lub tuam txhab muaj cov khoom siv quab yuam thiab cov cuab yeej siv ntau lawm. Nws muaj cov chaw teeb tsa thiab tom qab kev kawm. Nws cov khoom yog muag rau ntau tshaj 20 lub teb chaws thoob plaws.
2. Jinan sau
Nws yog ib tug kws tshaj lij kev xa khoom ntawm seamless roj tes tshuaj ntsuam xyuas cov khoom siv. Nws cov khoom tseem ceeb tau tag nrho -}}}} kev soj ntsuam cov kab, tawg kuaj cov mem tes thiab cov mem tes ntsuas. Cov cuab yeej siv tau tsim raws li kev ua lag luam hauv tsev thiab thoob ntiaj teb siv cov kev xav tau. Nws muab kev ntxuav tu, kev sim thiab kom qhuav zog. Txhua yam khoom ua raws cov qauv zoo li GB 5842. Nws muaj 7 xyoo ntawm kev lag luam kev lag luam. Nws muab customized daws teeb meem rau cov khoom siv roj kheej. Nws yog kev ntseeg los ntawm ntau lub tuam txhab roj roj hauv tsev.
3. Jinan Haidueno
Nws tshwj xeeb nyob rau hauv tsis - Cov khoom siv kev sim siab rau kev sib khi ua cov thooj voos kheej kheej. Nws cov khoom tseem ceeb yog khoos phis tawj - m} m}} tswj cov thawv hydraulic, lub tshuab ziab khaub ncaws kom qhuav thiab muab cov khoom siv kom qhuav. Cov kev ntsuas hydraulic siv cov qauv sab nraud rau cov txiaj ntsig raug. Lawv tuaj yeem sim CGG thiab cov roj av siv roj seeamless thooj voos kheej. Txhua cov khoom siv dhau kev soj ntsuam zoo ua ntej xa khoom. Nws muaj kev txhawb nqa kev txhawb nqa rau cov khoom siv. Nws pabcuam cov neeg siv khoom hauv cov roj thiab hluav taws kub- sib ntaus sib tua kev lag luam.
4. Jiangsu Huadong
Nws ua ntau yam ntawm seamless roj tes tshuaj ntsuam khoom. Nws cov khoom tseem ceeb yog cov roj kheej kheej kuaj kev kuaj cov cuab yeej, nqus plua plav twj thiab cov raj mis hlau. Cov cuab yeej siv tau dav siv rau kev sib khi thooj voos kheej ntawm cov nkev thiab cov pa oxygen. Nws yog ua los ntawm high- cov ntaub ntawv zoo rau lub neej kev pabcuam ntev. Nws muaj lub peev xwm ruaj khov. Nws koom kev koom tes nrog cov tuam ntxhab cov tuam ntxhab. Nws muab cov qauv kev txiav txim tsis pub dhau 30 hnub.
5. Zhejiang kheej kheej Tech
Nws yog tus muab kev ntseeg siab ntawm seamless roj kev soj ntsuam khoom siv. Nws cov khoom tseem ceeb yog seamless lub tog raj kheej tu machine, thickness gauges thiab cov khoom txheej txheej. Cov khoom siv yog tsim rau loj- teev lub tog raj kheej kuaj. Nws ua kom muaj kev ua haujlwm siab thiab sim raug. Nws ua raws cov qauv kev coj ua zoo. Lub tuam txhab muaj pawg R & D thiab cov kev pabcuam. Nws muab ib qho {-}}}}}} kev daws teeb meem los ntawm kev tsim qauv rau tom qab {8} kev muag khoom. Nws cov khoom yog exported rau cov kev lag luam thoob ntiaj teb.
