Precision steel tube yog ib yam ntawm high precision steel tube khoom ua tiav los ntawm kev kos duab txias lossis kub dov.Vim tias cov phab ntsa sab hauv thiab sab nrauv ntawm cov yeeb nkab steel hlau tsis muaj oxide txheej, tsis muaj dej ntws los ntawm kev kub siab, siab precision, siab tiav, tsis muaj deformation hauv txias dabtsi yog khoov, flaring, ca ...
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