RP. Thép ống Đúc phi 219, phi 325, phi 114, phi 610
Thép ống đúc phi 141 x phi 72 phi 75 wall thickness 3 x 34
Thép ống đúc phi 168 x phi 75 phi 90 wall thickness 3 x 34
phi 219. X phi 325 x phi 82 phi 76 wall thickness 3 x 34
Thép ống đúc phi 168 x phi 102 x phi 110 wall thickness 3 x 34...