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Company news

Case Study: Conquering the Andes – Stringing a 500kV Transmission Line in High-Altitude Mountainous Terrain
Case Study: Conquering the Andes – Stringing a 500kV Transmission Line in High-Altitude Mountainous Terrain

A South American utility faced extreme altitudes and 1,500m spans. Learn how Ningbo Changshi's heavy-duty 22-ton hydraulic puller provided the power to complete the 500kV project.

2025/11/02
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Case Study: Minimizing Disruption in Southeast Asia – Laying 15km of Urban Power Cable with Our Trenchless Solution
Case Study: Minimizing Disruption in Southeast Asia – Laying 15km of Urban Power Cable with Our Trenchless Solution

A major contractor in Southeast Asia faced a "no-dig" challenge. See how Ningbo Changshi's complete underground cable laying equipment solution helped them succeed.

2025/11/02
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Case Study: Precision Reconductoring in Europe – Upgrading a 220kV Line with HTLS Conductors Using Our Hydraulic Tensioner
Case Study: Precision Reconductoring in Europe – Upgrading a 220kV Line with HTLS Conductors Using Our Hydraulic Tensioner

See how a European contractor used Ningbo Changshi's hydraulic puller-tensioners for a critical 220kV HTLS reconductoring project, ensuring zero conductor damage and public safety.

2025/11/02
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From the Manufacturer: 5 Expert Maintenance Tips to Maximize Your Hydraulic Puller-Tensioner's Lifespan
From the Manufacturer: 5 Expert Maintenance Tips to Maximize Your Hydraulic Puller-Tensioner's Lifespan

Downtime costs money. As leading manufacturers, Ningbo Changshi shares 5 expert tips to maintain your hydraulic puller-tensioners, solving common issues and maximizing uptime.

2025/11/02
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