... 1) Applicability:Commonly used in drilling, cementing, work over service as flexible connection for mud manifold, cement manifold, choke ... °C~121°C(3) Structure:* Tube (lining): Principally compounded rubber, featuring oil-resistant, abrasion-resistant, acid& alkali resistant.* Reinforcement ... of Chinese leading Manufacturers and Suppliers of the special rubber hose. We are the main supplier for CNPC, ...