Developed and designed independently by the China Shipbuilding 708 Research Institute, the 'Shanghai Yuanwei'—a 16,000-ton cable laying vessel owned by Zhongtian Technology—is capable of operating in unrestricted navigation areas. As the largest self-propelled, fully electric cable laying vessel in China, it represents a significant advancement in the nation's marine engineering capabilities.
Φ76mm (AM3) Hydraulic Combined Windlass
Windlass Power Pack: 2 × 90kW
1000kN Electric Variable-Frequency Positioning Winch
Variable-Frequency Winch Control System (including local control console, remote control panel, resistor box, centralized control station, brake power unit control, clutch control, and control cabinet)
20T / 25m Hydraulic Knuckle Boom Crane
8T / 15m Hydraulic Knuckle Boom Crane (with man-lifting function)
50T @ 22m / 20T @ 35m Deck Knuckle Boom Crane
1000kN A-Frame (including hydraulic cylinders and sheaves)
150kN Hydraulic Auxiliary Winch
80kN Electric Cable Hauling Winch (with horizontal rollers)
600kN Hydraulic Deployment and Recovery Winch (with level winder and brake)
600kN Hydraulic Towing Winch (with level winder and brake)
A-Frame Hydraulic Power Pack and Electrical Control (2 × 160kW + 55kW)
Φ72mm Universal Swivel Cable Guide
Φ72mm Horizontal Fairlead Sheave
Φ72mm Vertical Sheave
Φ76mm Guillotine-Type Chain Stopper with Roller
100kN Electric Capstan
