Shandong Qilong Offshore Petroleum Steel Pipe Co., Ltd

                  ——THREADED DRILLING RISER——

   Threaded conductor 20",22",24",26",30",36" with length of 12±0.5m, wall thickness of 12.7~50.8mm and material of 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
原来神马电影完整版在线观看| 无码aⅴ一区二区三区不卡| gogogo日本免费观看电视动漫| 国产一区二区三区久久精品| 久久久久精品无码专区首页| 国产精品人成在线观看| 噼里啪啦免费观看高清全集| 亚洲色无码一级毛片一区一区| 国产欧美日韩精品a在线观看| 在线播放真实国产乱子伦|