
News
Ningbo Changshi strengthens its global distribution and export services, delivering one-stop stringing equipment, hydraulic pullers, and underground cable laying tools to transmission line EPC megaprojects worldwide.
Upgrading existing overhead lines with HTLS composite-core conductors requires specialized stringing tools. Discover how large-diameter, neoprene-lined stringing blocks and smooth tensioners prevent core cracking and conductor damage.
Ningbo Changshi introduces its newest 120kN hydraulic conductor tensioner engineered for 500kV-800kV UHV transmission lines, featuring closed-loop hydraulic tension control and anti-friction bullwheel sectors.
Explore how global utilities are accelerating grid undergrounding and discover the specialized high-voltage underground cable laying winches, rollers, and tension control tools required for complex urban and renewable installations.





