Tianjin Rainbow Steel inogadzira sikweya chubhu inova rudzi rwesimbi refu ine mhango chikamu uye isina musono wakaitenderedza.Zviri asquare tubeinoumbwa neextrusion yechubhu isina musono kuburikidza nemativi mana efa.Square chubhu ine hollow chikamu uye inoshandiswa zvakanyanya sepombi yekufambisa mvura.Inonyanya kushandiswa mukufambisa kwemvura, hydraulic tsigiro, mechanical chimiro, yepakati uye yakaderera kumanikidza, yakakwira kumanikidza boiler pombi, kupisa kupisa pombi, gasi, mafuta uye mamwe maindasitiri.Iyo yakasimba kudarika welding uye kwete crack.Hot yakakungurutswa esimbi machubhu anogadzirwa nekupfuura sheet simbi kuburikidza nema rollers kuti iwane chaiwo mativi emuviri.Chigadzirwa chakapedzwa chine hutsinye hwepamusoro pekupedzisira nemakona ane radiused makona, uye ingave yakashongedzwa kana seamless kuvaka.Kugadzira inopisa yakakungurutswa sikweya simbi tubing inosanganisira kukungurutsa simbi patembiricha inopfuura 1,000 Degree.