麻豆电影-国产精品麻豆免费版-麻豆传媒在线观看-麻豆changesxxx国产-中文字幕乱偷无码αV蜜桃_亚洲欧美在线观看三级_国产成人精品大片_日韩欧美国产午夜_笫一

威海45號鋼厚壁無縫管/45號鋼鋼管廠_鋼管

山東宏鉅天成鋼管有限公司         139-6958-0678

材質(zhì)             外徑*壁厚            噸位

45#              457*65                20.91

45#              426*45                20.796

45#              351*65                20.594

45#              325*80                21.516

45#              325*90                27.072

45#              325*85                30.31

45#              325*75                31.646