Advanced Propulsion Systems | Lochain Marine
High-efficiency marine propellers manufacturer for cargo ships, tankers & offshore vessels. DNV/GL certified, Custom-designed SS/Bronze propellers.
Navigating Excellence in Marine Parts
At LOCHAIN MARINE TECH CO LTD, we are dedicated to supplying high-quality marine parts that meet the demands of the global marine industry. Based in Hangzhou and Ningbo, Zhejiang, we leverage our strategic location to ensure timely and efficient delivery. Our commitment to excellence drives us to continuously innovate and provide exceptional service to our clients worldwide.
Material Science Leadership
Breakthrough Innovations
Dual-Function Ducted Propellers
15% thrust boost at low speeds (Ideal for tugs)
30% tighter turning radius with steerable nozzles
Smart Pitch Control
0.5s blade adjustment (Industry average: 1.5s)
Fuel savings up to 9% via automatic load adaptation
Counter-Rotating System
3-5% energy recovery from wake vortices
Quick-disconnect modules enable 60% faster maintenance
Manufacturing Capabilities
● Mega Casting: Single-piece propellers to 82 tons (9.8m diameter achieved)
● Precision Machining: 12.5m CNC center with 0.08mm tolerance
● Quality Assurance:
100% Ultrasonic testing per EN ISO 17640
3D laser scanning reports included
Technical Specifications (IACS Standard Compliant)
Client Solutions
▷ Efficiency Guarantee ProgramCompensation for underperforming fuel consumption
▷ Propeller Retrofit Service30% trade-in value for old propellers
▷ 24/7 Global Technical SupportEmergency response across 16 time zones
Verified Case Studies
✓ 38,000 DWT Bulk Carrier:6.2m 4-blade bronze propeller
Zero maintenance over 50,000 NM sailing
✓ Arctic Research Vessel:CU4 bronze ice-class propeller
Certified operation at -40°C
✓ Port Tugboat Upgrade:Ducted propeller solution
22% bollard pull increase
Why Global Operators Choose Us
+ Material Integrity Lab10-year salt spray simulation per ASTM B117
+ Vessel Database300+ ship-specific propeller designs
+ Performance ValidationFull-scale testing at Zhoushan Marine Test Centre