On December 4, 2025, Nanchang Gas DN300 cylindrical four-sealed

On December 4, 2025, the DN300 cylindrical four-plugging project for Nanchang Gas was successfully completed. The pipeline, designed to operate with a maximum pressure of 1.6 MPa and a normal operating pressure of 0.4 MPa, transports natural gas as its medium. This project was undertaken by TTCL, a company with profound expertise in hot tapping and line plugging services.

With 40 years of industry experience, TTCL has established itself as a trusted leader in hot-tapping and line-plugging solutions. Over the decades, the company has successfully completed more than 20,000 projects across various scenarios, covering different pipeline sizes, pressure levels, and media types. Its rigorous operational standards, advanced technical capabilities, and commitment to safety have consistently ensured the smooth execution of each project.

TTCL’s unwavering focus on quality and customer satisfaction has earned it widespread acclaim from clients in the gas, oil, and other related industries.