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
久久这里只有精品2

    欧美最猛黑人XXXX黑人猛交| 中文国产成人精品久久| 偷自拍另类亚洲清纯唯美| 噼里啪啦电影免费观看高清资源| 亚洲欧洲一区二区三区久久| 青柠影院| 91新拍国产在线观看| 亚洲精品中文字幕乱码三区| 国产精品VA无码一区二区| 亚洲精品中文字幕久久久久下载|