46m Grade 355 Steel Mobile Telephone Masts ASTM A 123
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46M Grade 355 steel Electrical Transmission Tower , Mobile Telephone Masts Specifications: Suit for Communication distribution Shape Conoid ,Multi-pyramidal,Columniform,polygonal or conical Material Usually Q345B/A572,minimum yield strength>=345n/mm2 ......
Jiangsu milky way steel poles co.,ltd
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