Manufacturers and construction service providers of non-stop pipeline hot tapping/plugging equipment.
On December, 2025, the construction of Nanchang Gas' DN300 cylindrical four-seal and DN200 cylindrical double-seal projects was successfully completed. With a designed pressure of 0.4 MPa and an operating pressure of 0.36 MPa, the pipelines meet urban gas transmission safety standards, ensuring stable gas supply for local residents and enterprises.
TTCL, a professional manufacturer of hot tapping and plugging. Its rich experience and professional capabilities guaranteed the safe and high-quality completion of the construction, laying a solid foundation for the local gas network's development.