Төмөр ган хоолойн холбох хэрэгслийн үйлдвэр, ханган …
Tianjin Youfa International Trade Co., Ltd Carbon Steel Butt Welded and Seamless Pipe Fitting 45°,90°AND 180°CARBON STEEL ELBOW Standard: ASME/ANSI B16.9 / ASTM A235 Grade: WPB; WPC 45°Elbow 90°Elbow 180°Elbow Outside Diameter Wall Thickness (mm) The...