Shandong Qilong Offshore Petroleum Steel Pipe Co., Ltd

             ——MECHANICAL DRILLING RISER——


       Mechanical conductor includes 20",24",26",30",33.5" with length of 12±0.5m, wall thickness of 12.7~50.8mm and material of Q235B、DH36、X52、X56、X60、X65 or as per customer requirements.

在線客服
 
 
 Work Time
Mon to Fri :7:00-24:00
Sat to Sun :7:00-24:00
 Contact Details
客服熱線:0546-8739576
郵箱:lxggscb@163.com
亚洲AV无码精品午夜色蛋壳| 久久久久无码精品国产| 最好看的电影2019中文字幕| 精品国产人成亚洲区| 亚洲日韩欧美一区二区三区| 国产精品黄色片在线观看| 国产精品一区二区正在播放| 国产a一级无码毛片一区二区三区| zzijzzji亚洲日本少妇| 国产手机在线αv片无码|