帶頸(jing)對(dui)焊法(fa)蘭(lan)(lan),平焊法(fa)蘭(lan)(lan),盲板法(fa)蘭(lan)(lan),大口徑法(fa)蘭(lan)(lan),壓力容(rong)器法(fa)蘭(lan)(lan)
生產加工
風(feng)(feng)(feng)管加工(gong),風(feng)(feng)(feng)道(dao)加工(gong),白(bai)鐵(tie)加工(gong),通風(feng)(feng)(feng)管道(dao)加工(gong),螺旋(xuan)風(feng)(feng)(feng)管,鍍(du)鋅板
生產加工
無縫(feng)鋼管(guan),合金(jin)(jin)鋼管(guan),船標管(guan)件(jian)(jian),合金(jin)(jin)管(guan)件(jian)(jian),法蘭,管(guan)道(dao)配件(jian)(jian)
生產加工
風(feng)(feng)(feng)管加(jia)工(gong),風(feng)(feng)(feng)道加(jia)工(gong),白鐵(tie)加(jia)工(gong),通風(feng)(feng)(feng)管道加(jia)工(gong),螺旋風(feng)(feng)(feng)管,鍍鋅板
生產加工