処理サービス
曲げ, 溶接, Decoiling, パンチ, 切断
Secondary Or Not
Non-secondary
International Standard
BS1387, BS EN10217;10219, ASTM A53, GB/T3091-2001, ISO9001;2008
Surface Treatment
oiled painting and corrosion
Usage
Building Construction
Material
Q195/Q215/Q235/Q345