// ABOUT US
Liaocheng Shengjing machinery manufacturing Co., LTD
Our factory is specialized in designing, manufacturing and processing all kinds of ship stern shaft, copper propeller, rudder shaft and its supporting products (oil lubrication, water lubrication stern shaft sealing device, stern tube white alloy bearing, rubber bearing, dragon bearing, stern shaft copper sleeve stainless steel sleeve, rudder bearing, bulkhead transmission device, stuffing box) stern shaft grounding products professional manufacturers.
The products have been approved by China Classification Society CCS inspection, and can also provide CCS.ZC. DNV, LR, GL, ABS and other classification society certificates according to customer requirements.
// PRODUCTS
CHOOSE OUR PRODUCTS
The company has complete machining equipment, advanced process design, built a large ship test bench and a variety of test equipment. The factory has passed the ISO9001 international quality system certification of classification society.
WHY CHOOSE US
THE COMPANY'S PRODUCTS MEET INTERNATIONAL STANDARDS
The company has complete machining equipment, advanced process design, built a large ship test bench and a variety of test equipment. The factory has passed the ISO9001 international quality system certification of classification society. Products sell well all over the country, and exported to Hong Kong and Southeast Asia, with reliable quality, excellent service to win the majority of users welcome and praise!
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YOUR TRUSTED CHOICE
Country and region
Products sell well all over the country, and exported to Hong Kong and Southeast Asia, with reliable quality, excellent service to win the majority of users welcome and praise!

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Meets multiple quality standards both domestically and internationally
Jun 18,2025
The Science Behind Propeller Shaft Design: A Comprehensive Exploration
The Science Behind Propeller Shaft Design: A Comprehensive Exploration Table of Contents 1. Introduction to Propeller Shaft Design 2. Importance of Propeller Shaft in Marine Transportation 3. Fundamental Principles of Propeller Shaft Design 4. Materials Used in Propeller Shaft Construction 5. Engineering Design Techniques for Optimal Performance 6. Key Factors Affecting Pr
Jun 11,2025
The Advantages of Stainless Steel Propellers in Marine Transportation
Stainless steel propellers are a crucial component in the marine transportation industry, offering numerous advantages over traditional materials. One of the most significant benefits is their durability. Stainless steel is inherently resistant to corrosion, which makes it ideal for use in marine environments where exposure to seawater can lead to degradation over time. This resistance not only ex
Jun 10,2025
Choosing Between Aluminum and Stainless Steel Propellers: A Comprehensive Guide for Boat Enthusiasts
Choosing Between Aluminum and Stainless Steel Propellers: What You Need to Know Table of Contents 1. Introduction 2. Understanding Propeller Materials 2.1 Aluminum Propellers 2.2 Stainless Steel Propellers 3. Performance Comparison of Aluminum vs. Stainless Steel Propellers 3.1 Speed and Efficiency 3.2 Acc