At present our company is the tier one supplier of China Petrochemical Corporation and we have been in this industry for more than five years, so we can provide the product with both good quality and competitive price. Basic Information Provide From Dynoland® Hydril-CS-analog Manufacturing method •Seamless：Cold Drawn ,Hot-Rolled •Welded : ERW, LSAW, SAW Sizes (Inch) •2 3/8, 2 7/8, 3 1/2 , 4, 4 1/2 ,5,5 1/2,6 5/7,7 Features •Designed for high performance and versatility. •Minimizes galling risk while improves sealing performance stability. Application •Corrosion protection & ID coating •HP/HT and deep wells •Horizontal and extended reach wells •Shale •Casing while drilling •Thermal (SAGD & CSS) Technical modifications •For extra clearance applications Special bevel •20°bevel ,Slotted (Screen casing) Special clearance Related Connection •You May Interest From Dynoland Which can 100％ Interchangeable : CS, •PH6, PH4, T3sb, Blue, Hydrill 523, Hydrill 521, Hydrill 511, 513, 533.