Simbi nesimbi sebhizimusi guru reHunan Great Steel Pipe, kugadzira zvigadzirwa zvesimbi zvemhando yepamusoro uye kukosha kwakawedzerwa uye zvinosimudzira mapoka makuru matatu ezvigadzirwa, zvinoti kabhoni simbi, simbi isina tsvina uye yakakosha simbi. Zvigadzirwa zvemhando: carbon seamless simbi pombi,erw simbi pombi,saw simbi nyere, lsaw simbi pombi, casing, tubing, chibooreso pombi, mhango chikamu, pombi Fittings etc ...