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Qhov tseem ceeb sib txawv ntawm welded square yeeb nkab thiab seamless square yeeb nkab
los ntawm Admin nyob rau hauv 22-08-08
Cov txheej txheem ntau lawm ntawm cov raj square yog yooj yim, kev tsim khoom yog siab, ntau yam thiab cov lus qhia tshwj xeeb muaj ntau yam, thiab cov khoom sib txawv. Tom ntej no, peb yuav piav qhia qhov sib txawv tseem ceeb ntawm welded square tubes thiab seamless square tubes kom ntxaws. 1. Welded square pip...
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