Kua reri te roopu o nga ngongo kohua hou kua oti mo te tuku, te haerenga: Indonesia. –309 tana. ASTM A179 Boiler Tube: 21.3*2.77 89 tana 26.7*2.87 62 tana 60.3*3.91 158 tana Wā tuku: Maehe-16-2021