API 5L GR.B/ASTM A53 GR.B (PIPE WOYERA WOWONJEZEDWA ERW zitsulo) Kunja Kwampanda Kukhuthala kwa Khoma FOB TIANJIN Kunenepa Kwakunja kwa Khoma FOB TIANJIN 外径 (mm) 壁厚 (mm) 离 USD渄 TON ) 壁厚 (mm) 离港价 USD/TON 245, 273 5.0-9.28 613.46 450, 457, 508, 530 6.5-11.98 645.82 9.4...
Werengani zambiri