久久99精品国产女不卡7777,国产在线精品一区二区不卡顿,免费人成网站在线观看视频,jrs低调看高清直播,国产精品无码专区

Our company is professional in manufacturing pipes for nearly 15 years, covering high quality steel pipes. For example, seamless steel pipe, OCTG Casing pipe, OCTG Tubing, welded pipe, galvanized pipe,etc.

Advantages：

·Payment 100% L/C at sight or 30% advance payment + 70% balance by TT acceptable; 

· Mill certification such as API Monogram, ISO ect;

· Prices absolutely competitive through out China market;

· Third Party inspection and full guidance according to our rich experience.

If you have any questions about product details or need service, welcome to contact me!