德州远大石油机械有限公司
Exhibit Profile：
cementing tools（stage collar, liner hanger,external packer, casing thermal stress compensator ,cementing head, float collar float shoe,cementing plug,centralizer,stop collar)）
Exhibits show：
cementing tools（stage collar, liner hanger,external packer, casing thermal stress compensator ,cementing head, float collar float shoe,cementing plug,centralizer,stop collar)）
Exhibits show：
Website：www.dzydsy.com