杜拉芭
Exhibit Profile：
Continuous cast gray irons and ductile irons to make the critical components in Oil and Gas exploring at the process of downhole completion tools and fracking pumps like slip, split ring, cone, lock ring, balls seat, plunger, pony rod etc…
Continuous cast gray irons and ductile irons to make the critical components in Oil and Gas exploring at the process of downhole completion tools and fracking pumps like slip, split ring, cone, lock ring, balls seat, plunger, pony rod etc…
Website：www.dura-bar.com.cn