As a renowned seamless casing provider from China, we supply top-tier casings that comply with the API 5CT C90 standard. Our casings feature a wall thickness of 11 millimeters and an outside diameter of 323.85 millimeters. They are equipped with the TTGM-3 type connection, ensuring compatibility and reliability in drilling applications. Available in R3 lengths, ranging from 10.36 to 11.8 meters, our casings are tailored to meet the precise requirements of oil and gas industry standards.